2024 Mazda Mazda3 TSBs
222 Technical Service Bulletins across 17 categories
Categories
Engine
44 bulletinsSSPD8 - Check Engine Light ON with DTC P0126:00 - WARRANTY EXTENSION For certain 2018-2025MY CX-5, 2019-2023MY Mazda3,...
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2019-2022MY CX-3, 2018-2021MY Mazda6, 2020-2023MY CX-30 that are equipped with the suspected coolant control valve, the warranty coverage for specific repair of the fail-safe thermostat is extended to: 15 years (180 months) or 150,000 miles (240,000 km) whichever comes first, from the original warranty start date. CONDITION OF CONCERN: On certain subject vehicles, the check engine light is illuminated with DTC P0126:00 (Thermostat stuck open) stored in memory and one or more of the following symptoms may occur: - Engine takes longer to warm up. - Engine temperature gauge fluctuates. - Low coolant temperature indicator (blue) light stays on longer or turns on while driving. - Poor heater performance, especially at idle. Mazda Motor Corporation has made a significant repair change to TSB 01-003/25 which also impacts Warranty Extension Special Service Program (SSPD8). Repair Procedure Update: Effective December 8th all repairs applicable to TSB 01-003/25 or SSPD8 must follow the new repair procedure. The repair now replaces the thermostat with a dummy plug for the coolant control valve (CCV) along with a required software update for the PCM. Prior Repairs: Any repairs previously completed with the replacement of the thermostat or coolant control valve assembly does not require a re-repair unless there is a verified failure following the diagnosis in the TSB. It is expected that there will be no further repairs made for this concern once the plug and software update has been completed. Therefore, a return visit for symptoms related to the TSB or SSP must contact the Technical Hotline for assistance. VITALLY IMPORTANT!: There must be a Software Update record for the PCM when using MDARS or IDS. MDARS - If there is no Software Update entry in MDARS or the Collect Diagnostic Information (ODR Update) is not completed (or both), the vehicle will not be considered repaired and the warranty claim will be rejected. IDS Vehicles programed with IDS must Collect Diagnostic Data, and that data must be attached to the warranty claim. If the data is not attached to the claim, the vehicle will not be considered repaired and the warranty claim will be rejected, denied or debited. Failure to complete the above will require the vehicle to return to the dealership and be re-repaired at the dealers expense with great inconvenience to the Mazda customer. Failure to perform the software update could also potentially damage the engine which would not be covered by warranty and would expose your dealership to the cost of repairs.
There are currently 2 methods for cutting a new auxiliary key blank.
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A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method 2019 and newer models require a 10-digit key code to accurately cut keys 5-digit codes CANNOT be provided for 2019 and newer vehicles (the traditional 5-digit code from the key tag or driver's door lock cylinder is not sufficient and will not be issued for key cutting on these models). Only Mazda-approved key cutting machines can process these 10-digit codes. Many older key machines do not support 10-digit codes and cannot be updated to do so. In these cases, dealers will need to purchase one of the newer Mazda-approved key cutting machines capable of handling this requirement. For a list of current Mazda-approved machines and purchasing options, refer to the Mazda Dealer Equipment Program or view the current Mazda approved key machines below.
Some vehicles may exhibit a check engine light ON with DTC P20F8:00 stored.
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P20F8:00 - Swirl control circuit range/performance problem. The DTC is caused by overheating of the Swirl Control Valve (SCV) motor which leads to duty limitation, causing poor openingangle response and resulting in stuck judgment. To eliminate this concern, the PCM control software has been modified.
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the...
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customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or "\". Page
Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked.
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For this concern, inspect the vehicle for any trace of a fluid or oil leak and use the following examples as a guide to determine if it is severe enough to require a repair, or just to clean the area and monitor it at the next service. Examples of residue or seepage that may not be considered a leak and that may not require repair based on splash shield inspection.
A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023-2026 models.
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ATF-A7 is an extremely low viscosity formulation with low friction to achieve best-in-class fuel economy and driving performance. For easy identification, ATF-A7 is colored Red and ATF-FZ is colored Blue. ATF-A7 includes UV-reactive dye (see "Fluorescence Example" below). There is NO interchangeability between ATF-A7 and ATF-FZ. For CX-30, Mazda3, and CX-5, some 2.5L and all 2.5T engines still use ATF-FZ. Verify the type of ATF according to what is in MGSS (TRANSMISSION/TRANSAXLE TECHNICAL DATA) or what is marked on the dipstick (see "ATF-A7 Identification" below).
Some customers may see the A/T warning light on during (or immediately after) engine start-up with DTCs P073D:00-TCM / P1738:00-TCM stored.
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P073D:00-TCM: Turbine/input shaft speed sensor: Sensor output range malfunction P1738:00-TCM: Automatic transaxle internal malfunction This concern is caused by improper TCM logic. To eliminate this concern, the TCM control software has been modified to change the DTC detection logic, preventing DTC judgment during start-up.
A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023-2026 models.
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ATF-A7 is an extremely low viscosity formulation with low friction to achieve best-in-class fuel economy and driving performance. For easy identification, ATF-A7 is colored Red and ATF-FZ is colored Blue. There is NO interchangeability between ATF-A7 and ATF-FZ. For CX-30, Mazda3, and CX-5, some 2.5L and all 2.5T engines still use ATF-FZ. Verify the type of ATF according to what is in MGSS (TRANSMISSION/TRANSAXLE TECHNICAL DATA) or what is marked on the dipstick (see below).
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or "\".
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or "\".
Some customers may complain about a noisy HVAC blower motor or odor after a cabin air filter replacement.
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Foreign debris on the blower motor after servicing the cabin air filter may be the cause. During the removal of the cabin air filter, foreign debris (leaves, dust, dirt....ect.) may fall on the blower motor causing a fluttering type noise or odor.
A tapping/rattling noise may be noticed from the valve train area.
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This operating condition can occur on new vehicles which have been delivered to Mazda dealers (due to loading and unloading from transport trucks or customers moving their vehicles in and out of their garages to wash the vehicle, etc.). This condition may also occur if the engine is not allowed to warm up after multiple cold starts.
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or "\".
Some customers may see the A/T warning light on during (or immediately after) engine start-up with DTC P073D:00-TCM stored.
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P073D:00-TCM: Turbine/input shaft speed sensor: Sensor output range malfunction This concern is caused by improper TCM logic. To eliminate this concern, the TCM control software has been modified to change the DTC detection logic, preventing DTC judgment during start-up.
MSP61 - MAZDA SERVICE PROGRAM - 2024 CX-30 AND 2024 MAZDA3 - CONNECTIVITY MASTER UNIT (CMU) SOFTWARE CONCERN.
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Mazda Service Program (MSP61) 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern: When using a Bluetooth connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the line may have difficulty hearing the drivers voice. Causal factor: Inappropriate Connectivity Master Unit (CMU) software. There are 65,022 vehicles in the U.S. and U.S. Territories. Mazda Motor Corporation has decided to conduct one Mazda Service Program (MSP61) and one Special Service Program (SSPD7) affecting vehicles in the U.S. and U.S. Territories. Mazda vehicles in Canada and Mexico are also affected by SSPD7 and must be repaired if presented to your dealership. There is some overlap in the VIN population and certain vehicles are affected by both campaigns. ACTION ITEM: There are approximately 2,800 (SSPD7) and 11,000 (MSP61) vehicles in stock at U.S. Mazda dealers which must be repaired as soon as possible. All Mazda dealers must quarantine any affected new, used, or CPO in-stock vehicles until the repair is completed. The affected dealer inventory list was provided to your District Service Manager with the notification of this dealer email. Once completed, the car can be delivered, and the Warranty claim can be submitted later without penalty since the car has been repaired. Repair Synopsis: Both campaigns require software updates. SSPD7 uses MDARS to update and should be performed after MSP61 if the vehicle has both campaigns. MSP61 updates the software via a USB stick. A Battery charger will be required to stabilize battery voltage. There are no parts involved with either campaign.
MSP61 - MAZDA SERVICE PROGRAM - 2024 CX-30 AND 2024 MAZDA3 - CONNECTIVITY MASTER UNIT (CMU) SOFTWARE CONCERN.
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Mazda Service Program (MSP61) 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern: When using a Bluetooth connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the line may have difficulty hearing the drivers voice. Causal factor: Inappropriate Connectivity Master Unit (CMU) software. There are 65,022 vehicles in the U.S. and U.S. Territories. Mazda Motor Corporation has decided to conduct one Mazda Service Program (MSP61) and one Special Service Program (SSPD7) affecting vehicles in the U.S. and U.S. Territories. Mazda vehicles in Canada and Mexico are also affected by SSPD7 and must be repaired if presented to your dealership. There is some overlap in the VIN population and certain vehicles are affected by both campaigns. ACTION ITEM: There are approximately 2,800 (SSPD7) and 11,000 (MSP61) vehicles in stock at U.S. Mazda dealers which must be repaired as soon as possible. All Mazda dealers must quarantine any affected new, used, or CPO in-stock vehicles until the repair is completed. The affected dealer inventory list was provided to your District Service Manager with the notification of this dealer email. Once completed, the car can be delivered, and the Warranty claim can be submitted later without penalty since the car has been repaired. Repair Synopsis: Both campaigns require software updates. SSPD7 uses MDARS to update and should be performed after MSP61 if the vehicle has both campaigns. MSP61 updates the software via a USB stick. A Battery charger will be required to stabilize battery voltage. There are no parts involved with either campaign.
Key Transmitter Power Saving Function: When the key transmitter Power Saving Function is turned ON, transmitter battery...
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power consumption is restricted, thereby extending the transmitter battery life and the following will occur: The engine will not start unless the key transmitter is held over the Start Stop button. Outside door handle lock/unlock touch sensor is inoperative. Key transmitter indicator lights are inoperative. The following DTC's may be stored: DTC B13D3:94 (Communication error with remote transmitter) DTC P1260:00 (Immobilizer system problem).
Key Transmitter Power Saving Function: When the key transmitter Power Saving Function is turned ON, transmitter battery...
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power consumption is restricted, thereby extending the transmitter battery life. NOTE: Some customers may complain about an engine no start. This may be caused by the customer inadvertently putting the key transmitter in Power Saving Function.
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or "\".
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the...
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customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked.
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For this concern, inspect the vehicle for any trace of a fluid or oil leak and use the following examples as a guide to determine if it is severe enough to require a repair, or just to clean the area and monitor it at the next service.
Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the...
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following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle.
Special Service Program (SSPD7) - 2024 CX-30 and 2024 Mazda3 - Body Control Module (BCM) and Vehicle Control Module...
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(VCM) software concern Mazda Motor Corporation has decided to conduct a Special Service Program on certain 2024MY CX-30 vehicles produced from August 22, 2023 through December 1, 2023, and 2024MY Mazda3 vehicles produced from May 25, 2023 through November 30, 2023. If you are a recipient of this notice, your vehicle is included in this SSP. Concern 1: Opening scene of instrument cluster is not displayed as designed Some vehicles may experience that the opening scene* of the instrument cluster is not displayed as designed after the ignition is turned on due to improper control software of the Body Control Module (BCM). * Opening sequence of the instrument cluster refers to the display that occurs immediately after the ignition is turned on, where the vehicle model's logo is shown on the instrument cluster's LCD screen before transitioning to the speedometer display, as well as the sequence where the needles of the analog meters swing to its maximum position then back to initial position. Concern 2: Mazda Radar Cruise Control (MRCC) may reduce speed to match adjacent lane vehicle While driving on a curved road condition with the Mazda Radar Cruise Control (MRCC) activated, a vehicle in the right or left lane may be detected as an ahead vehicle due to inappropriate detection control program of the Vehicle
Launch of Mazda Service Program MSP61 & Special Service Program SSPD7 Affecting 2024MY CX-30 and Mazda3 Vehicles Mazda...
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Motor Corporation has decided to conduct one Mazda Service Program (MSP61) and one Special Service Program (SSPD7) affecting vehicles in the U.S. and U.S. Territories. Mazda vehicles in Canada and Mexico are also affected by SSPD7 and must be repaired if presented to your dealership. There is some overlap in the VIN population and certain vehicles are affected by both campaigns.
A new repair procedure has been developed to address DTC P0126:00 on SKYACTIV-G 2.0/2.5L engines (non-turbo).
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Mazda has introduced a replacement kit of the thermostat located within the Coolant Control Valve (CCV). NOTE: It is no longer necessary to replace the CCV for this DTC.
Some customers may experience the following concerns: The liftgate or the trunk lid will not unlock even when the...
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vehicle is parked and the ignition is off. If the engine is running (POWER ON) or the ignition is turned to on (READY ON), it will unlock. The auto close operation of the power liftgate is not performed (The liftgate can be closed manually). To eliminate this concern, the control software of the DSC HU/CM (or the electronically controlled brake unit) has been modified. Customers
Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the...
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following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle. NOTE: Vehicles with SKYACTIV-G 2.5T are not applicable to this service information. If DTC P2B61:00 (Coolant control valve circuit range/performance) accompanies DTC P0126:00, this TSB is not applicable. Diagnose DTCs according to the instructions on MGSS online.
Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the...
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following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle. NOTE: Vehicles with SKYACTIV-G 2.5T are not applicable to this service information. If DTC P2B61:00 (Coolant control valve circuit range/performance) accompanies DTC P0126:00, this TSB is not applicable. Diagnose DTCs according to the instructions on MGSS online.
Some customers may experience a check engine light ON with DTC P0126:00 (Thermostat stuck open) and one or more of the...
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following symptoms: Engine takes longer to warm up. Engine temperature gauge fluctuates. Low coolant temperature indicator (blue) light stays on longer or turns on while driving. Poor heater performance, especially at idle. NOTE: Vehicles with SKYACTIV-G 2.5T are not applicable to this service information. If DTC P2B61:00 (Coolant control valve circuit range/performance) accompanies DTC P0126:00, this TSB is not applicable. Diagnose DTCs according to the instructions on MGSS online.
There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole.
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This Service Alert is to inform you about the water pump sealing mechanism and the criteria if replacement is necessary or not.
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control
A tapping/rattling noise may be noticed from the valve train area.
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This operating condition can occur on new vehicles which have been delivered to Mazda dealers (due to loading and unloading from transport trucks or customers moving their vehicles in and out of their garages to wash the vehicle, etc.). This condition may also occur if the engine is not allowed to warm up after multiple cold starts.
Some customers may experience that the liftgate or the trunk lid will not unlock even when the vehicle is parked and the ignition is off.
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If the engine is running (POWER ON) or the ignition is turned to on (READY ON), it will unlock. To eliminate this concern, the control software of the DSC HU/CM (or the electronically controlled brake unit) has been modified.
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF, Climate control
Frequently Asked Questions (FAQ): General Questions, Reception Level Inspection, Setup and Getting Started, Dealer...
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Processes, Registration / Enrollment, TCU Activation, WI-FI General Information, Conditions for Remote Engine Start Will Not Function, WI-FI How-To Conditions for Remote Engine Start Function Will turn engine OFF, WI-FI Trial Period, Deactivation Mode, Interacting With The App, Educational Videos, Service Issues, Resources, Troubleshooting Page.
Frequently Asked Questions (FAQ): General Questions, Reception Level Inspection, Setup and Getting Started, Dealer...
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Processes, Registration / Enrollment, TCU Activation, WI-FI General Information, Conditions for Remote Engine Start Will Not Function, WI-FI How-To Conditions for Remote Engine Start Function Will turn engine OFF, WI-FI Trial Period, Deactivation Mode, Interacting With The App, Educational Videos, Service Issues, Resources, Troubleshooting Page.
There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole.
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This Service Alert is to inform you about the water pump sealing mechanism and the criteria if replacement is necessary or not.
Frequently Asked Questions (FAQ): General Questions Reception Level Inspection Setup and Getting Started Dealer...
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Processes Registration / Enrollment TCU Activation WI-FI General Informatio Conditions for Remote Engine Start Will Not Function WI-FI How-To Conditions for Remote Engine Start Function Will turn engine OFF WI-FI Trial Period Deactivation Mode Interacting With The App Educational Videos Service Issues Resources Troubleshooting Page
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the...
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customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been installed. Aftermarket devices may be the cause of the electrical concern. Below are a few examples of unusual electrical concerns caused by aftermarket devices.
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
Some customers may complain about any of the following: 1.
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Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote function(s) inoperative. Engine Start / Stop, Door Lock / Unlock, Lights ON / OFF
Electrical
33 bulletinsA musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating.
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It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C evaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling unit. This condition is usually worse during high humidity conditions. Mazda Air Cooling Coil Coating is available to encapsulate the mold to reduce odors. If the product is properly applied, it can effectively reduce the musty/mildew odor for up to three years. NOTE: See parts information for Mazda Air Cooling Coil Coating and Kit part numbers.
For improvement of electrical diagnosis, the SKYACTIV Wiring Terminal Test Kits has been delivered all the dealers.
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The terminal test kit enables you: To check pin fit drag of all PCM terminals used in SKYACTIV vehicles and compare suspect terminal drag with a known good terminal. To measure the voltage/resistance avoiding any terminal damage.
This service information provides testing and charging procedures in order to promote proper battery maintenance, to...
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deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the batteries periodically according to the repair procedure.
The Mazda DCA-8000 is required for all warranty battery testing.
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If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code. NOTE: A Warranty Code is required for warranty claim submission Battery Identification (Mazda batteries have 2 rating types) 1. JIS (Japanese Industrial Standard): JIS codes are six-digit alpha-numeric markings (excluding i-STOP batteries e.g. Q-85, S-95) molded into the top of the battery to identify a battery by the capacity (amps), dimensions, and battery terminal type. Vehicles manufactured in Japan come from the factory with a JIS rated battery. NOTE: Replacement batteries may use a CCA rating. If so, use the CCA rating listed on the battery.
This service information provides testing and charging procedures in order to promote proper battery maintenance, to...
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deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the batteries periodically according to the repair procedure.
The Mazda DCA-8000 is required for all warranty battery testing.
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If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code. NOTE: A Warranty Code is required for warranty claim submission Battery Identification (Mazda batteries have 2 rating types) 1. JIS (Japanese Industrial Standard): JIS codes are six-digit alpha-numeric markings molded into the top of the battery to identify a battery by the capacity (amps), dimensions, and battery terminal type. Vehicles manufactured in Japan come from the factory with a JIS rated battery. NOTE: Replacement batteries may use a CCA rating. If so, use the CCA rating listed on the battery. 2. CCA (Cold Cranking Amps): CCA ratings are normally located on a sticker affixed to the top of the battery to indicate a batterys Cold Cranking Amps. CCA rated batteries are supplied with domestically produced vehicles. NOTE: If an incorrect CCA rating is entered into the Mazda DCA-8000, it will result
A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating.
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It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C evaporator/cooling unit which is caused by condensation, dust, and pollen within the cooling unit. This condition is usually worse during high humidity conditions. Mazda Air Cooling Coil Coating is available to encapsulate the mold to reduce odors. If the product is properly applied, it can effectively reduce the musty/mildew odor for up to three years.
The Mazda DCA-8000 is required for all warranty battery testing.
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If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code.
This service information provides testing and charging procedures in order to promote proper battery maintenance, to...
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deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the batteries periodically according to the repair procedure.
Some customers may complain that the seat warmer and seat warmer switch light turn off during i-stop operation.
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This concern may be caused by the dash-electrical supply unit turning off the seat warmer when it receives the i-stop signal. To eliminate this concern, the dash-electrical supply unit control software has been modified.
The Blind Spot Monitoring (BSM) system can malfunction with the following symptoms if the rear side radar sensors are...
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installed facing the wrong direction. BSM system indicates vehicle on the opposite side. i-ACTIVSENSE indicator ring will not turn green Rear Cross Traffic Alert (RCTA) does not work Rear side radar sensor aiming may fail TPMS DTC(s) stored
For improvement of electrical diagnosis, the SKYACTIV Wiring Terminal Test Kits has been delivered all the dealers.
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The terminal test kit enables you: To check pin fit drag of all PCM terminals used in SKYACTIV vehicles and compare suspect terminal drag with a known good terminal. To measure the voltage/resistance avoiding any terminal damage.
When the power windows are operated many times without being fully closed, small errors of the window position sensor...
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may accumulate and cause improper operation of the jam-safe function. To reduce the risk of this occurrence, the AUTO function is disabled if the power window is operated 10 consecutive times without being fully closed (turning the ignition OFF and then ON does not reset the counting). If the power window is fully closed before the 10th time, the counting restarts and the AUTO function is not deactivated.
This TSB is no longer valid and has been superseded by SPECIAL SERVICE PROGRAM - SSPD7 - CX-30 (DM) AND MAZDA3 (BP) BODY...
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CONTROL MODULE (BCM) AND VEHICLE CONTROL MODULE (VCM) SOFTWARE CONCERN.
Special Service Program (SSPD7) - 2024 CX-30 and 2024 Mazda3 - Body Control Module (BCM) and Vehicle Control Module...
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(VCM) software concern
This TSB is no longer valid and has been superseded by SPECIAL SERVICE PROGRAM - SSPD7 - CX-30 (DM) AND MAZDA3 (BP) BODY...
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CONTROL MODULE (BCM) AND VEHICLE CONTROL MODULE (VCM) SOFTWARE CONCERN.
Special Service Program (SSPD7) - 2024 CX-30 and 2024 Mazda3 - Body Control Module (BCM) and Vehicle Control Module...
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(VCM) software concern
SSPD7 - CX-30 (DM) and Mazda3 (BP) - Body Control Module (BCM) and Vehicle Control Module (VCM) software concern
SSPD7 - CX-30 (DM) and Mazda3 (BP) - Body Control Module (BCM) and Vehicle Control Module (VCM) software concern
ATTENTION ALL MAZDA DEALERS.
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EFFECTIVE IMMEDIATELY THIS CAMPAIGN IS SUSPENDED. As of July 26, 2024 this campaign is Suspended temporarily. Please read below for any repairs in progress. All repairs in progress can continue using this updated repair procedure and warranty claims will still accept, but dealers should stop repairing immediately after all in-process repairs are completed. Please make sure the VCM was updated to C level as there is no D level. You have to also re-program the BCM and VCM individually. We will leave repair and parts/warranty available temporarily so repairs from this week can be completed and claimed. Campaign turning back on this is TBD, we will turn on the campaign when the issues are sorted out.
Some customers may experience the following symptoms: No sound from some audio sources (AM, FM, SiriusXM) after turning the ignition on.
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Radio station selection (AM, FM, SiriusXM) changes unintentionally after turning the ignition on. Audio source cannot be changed. Diagnosing according to MGSS online does not solve the problem. These concerns may be caused by the remote tuner not operating properly under certain situations. To eliminate these concerns, the remote tuner control software has been modified.
The Mazda DCA-8000 is required for all warranty battery testing.
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If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code. NOTE: A Warranty Code is required for warranty claim submission
This service information provides testing and charging procedures in order to promote proper battery maintenance, to...
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deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the batteries periodically according to the repair procedure.
Some customers may complain that the ambient temperature on the instrument cluster is displayed more than 50 F (10 C)...
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lower than the actual temperature, resulting in insufficient performance of the air conditioning. This is caused by inappropriate soldering in the ambient temperature sensor. To eliminate this concern, the soldering process has been enhanced at the supplier.
Some customers may complain that the ambient temperature on the instrument cluster is displayed more than 50 F (10 C)...
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lower than the actual temperature, resulting in insufficient performance of the air conditioning. This is caused by inappropriate soldering in the ambient temperature sensor. To eliminate this concern, the soldering process has been enhanced at the supplier.
Some customers may experience one or both of the following symptoms while locking and unlocking the doors works fine using the remote transmitter.
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Symptom 1: The touch sensor of the front door outer handle does not lock the doors after rain and/or car washing, even though unlocking is possible. Symptom 2: The touch sensor of the front door outer handle does not unlock the doors.
Some vehicles may experience the vehicle speed decreasing unintentionally while using MAZDA Radar Cruise Control (MRCC).
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This may occur when a vehicle in the adjacent lane is misidentified as being in its own lane, and the MRCC controls decelerate accordingly. This concern is caused by improper control software of the Vehicle Control Module (VCM). To eliminate this concern, the VCM control software has been modified.
Some vehicles may experience the opening sequence of the instrument cluster is not displayed after IG-ON.
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NOTE: Opening sequence of the instrument cluster refers to the display that occurs immediately after ignition is turned on. The vehicle model's logo is shown on the instrument cluster's LCD screen before transitioning to the speedometer display. The sequence also swings the analog meter needle to its maximum. This concern is caused by improper control software of the BCM. To eliminate this concern, the control software of the BCM control module has been modified. Customers having this concern should have their vehicle repaired using the following repair procedure. NOTE: CSSU regulation compliance: This Service Information provides the software modification and the software information according to United Nations Regulation on Cybersecurity (CS) and Software Updates (SU).
Some vehicles equipped with the Blind Spot Monitoring (BSM) may show the BSM indicator light is on in the outer door...
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mirror, even if there are no vehicles in the alert area. This concern is caused by improper control logic of the side radar sensors. False detection may occur while driving. To eliminate this concern, the control software of the side radar sensors has been modified.
RECALL 6223J, 6323J, SSPD1, SSPD2, SSPD3, SSPD4 - MULTIPLE CAMPAIGNS REPAIR PROCEDURE AND MULTIPLE MODULE REPROGRAMMING.
RECALL 6223J, 6323J, SSPD1, SSPD2, SSPD3, SSPD4 - MULTIPLE CAMPAIGNS REPAIR PROCEDURE AND MULTIPLE MODULE REPROGRAMMING.
When the power windows are operated many times without being fully closed, small errors of the window position sensor...
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may accumulate and cause improper operation of the jam-safe function. To reduce the risk of this occurrence, the AUTO function is disabled if the power window is operated 10 consecutive times without being fully closed (turning the ignition OFF and then ON does not reset the counting). If the power window is fully closed before the 10th time, the counting restarts and the AUTO function is not deactivated.
RECALL 6223J, 6323J, SSPD1, SSPD2, SSPD3, SSPD4 - MULTIPLE CAMPAIGNS REPAIR PROCEDURE AND MULTIPLE MODULE REPROGRAMMING.
Infotainment
31 bulletinsCustomers may report no audio when using the infotainment fader function fully adjusted to the rear.
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If the customer's vehicle is among the trim levels referenced above it is equipped with a 6-speaker infotainment system and does not include rear door speakers even though there are speaker grills/covers in the rear door panels. MazdaUSA and published vehicle specifications provide the correct information indicating that these trims are equipped with a "6-speaker audio system". This is a normal condition of the "6-speaker audio system" and current Mazda CONNECT fader function. Rear speaker diagnosis is not necessary as they are not equipped.
Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the...
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Multi-information display OR display a system status notice with no DTC: C1001:92 - Forward sensing camera (FSC) poor field of view [Gen 6 vehicles] B14F0:92 - General temporary failure in forward sensing camera (FSC) [Gen 7 vehicles built on or before March 2, 2019] No DTC - Warning Message only [Gen 7 vehicles built after March 2, 2019] DTC C1001:92 or B14F0:92 set as a past record for low visibility of the Forward Sensing Camera (FSC). It does not mean there is an actual FSC defect. In some cases the customer may have a concern with the Lane Departure Warning System (LDWS) and/or High Beam Control system (HBC). In other cases this DTC might be found without a related customer concern.
When replacing the MAZDA CONNECT remote tuner (RT) with a replacement tuner for any reason, a call must be made to...
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inform SiriusXM of the existing Radio ID and the new/replacement SAT Radio ID as soon as possible to ensure the customer leaves the dealership with an active SAT radio.
Some vehicles may show TSR system performance is reduced.
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Navigation Data Unavailable" or "Check Navigation SD Card" in the meter while driving.
Some customers may experience a Connected Vehicle failure.
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The MyMazda App may display an Error Code. This document provides Error Code description and recovery information to assist with repairs.
Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU)...
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software concern When using a Bluetooth connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the line may have difficulty hearing the drivers voice.
Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU)...
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software concern When using a Bluetooth connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the line may have difficulty hearing the drivers voice.
Mazda Navigation Live Traffic information is available on the following 2 systems.
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SiriusXM 3 Yr Traffic and Travel Link* Mazda Online Navigation* The table below provides Setting information for both systems. See APPLICABLE MODEL(S)/VINS above to determine how vehicles are equipped. NOTE: When selecting Navigation, data upload may take a few seconds. This is a normal function.
Some vehicles may have recall notifications remain on the center display even after a recall is performed.
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NOTE: When the warranty claim for the recall campaign is accepted at Mazda Japan, the recall notification will be automatically deleted via the Connected Service on the next day or later. This situation occurs if the Connected Service subscription has been cancelled while the recall notifications remain.
Some customers may experience a Connected Vehicle failure.
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The MyMazda App may display an Error Code. This document provides Error Code description and recovery information to assist with repairs.
(Ver. 7230C**-NA03_10026) fixes these software errors (bugs): The CarPlay icon may not be displayed.
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Mazda Connect may not be operable. The speed limits guidance may be incorrectly displayed while using navigation. Traffic information in the SiriusXM may not be updated. Iincorrect time may be displayed while synchronizing with GPS. Exit information may not be displayed while using navigation. Guidance message for Congestion Charge Zone may be spoken where not applicable.
Customers may report no audio when using the infotainment fader function fully adjusted to the rear.
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If the customer's vehicle is among the trim levels referenced above it is equipped with a 6-speaker infotainment system and does not include rear door speakers even though there are speaker grills/covers in the rear door panels. MazdaUSA and published vehicle specifications provide the correct information indicating that these trims are equipped with a "6-speaker audio system". This is a normal condition of the "6-speaker audio system" and current Mazda CONNECT fader function. Rear speaker diagnosis is not necessary as they are not equipped.
Customers may report no audio when using the infotainment fader function fully adjusted to the rear.
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If the customer's vehicle is among the trim levels referrenced above it is equipped with a 6-speaker infotainment system and does not include rear door speakers even though there are speaker grills/covers in the rear door panels. MazdaUSA and published vehicle specifications provide the correct information indicating that these trims are equipped with a "6-speaker audio system".
Some customers may complain about the Active Driving Display not displaying turn by turn (TBT) travel direction or...
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navigation information.
Some customers may experience a Connected Vehicle failure.
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The MyMazda App may display an Error Code. This document provides Error Code description and recovery information to assist with repairs.
Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU)...
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software concern When using a Bluetooth connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the line may have difficulty hearing the drivers voice.
Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU)...
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software concern When using a Bluetooth connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the line may have difficulty hearing the drivers voice.
Update software release for concerns with Mazda connect infotainment system.
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This TSB has been superseded to MSP61.
Some customers may complain about color discrepancies (brightness differences) of the image displayed on the screen when using the 360view monitor.
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As this phenomenon is not a system failure, do not make any repairs or replace any parts. Explain the cause of this occurrence to the customer as follows: The 360view monitor is a system that provides a complete picture of the vehicle surroundings by combining the pictures captured by 4 separate cameras. These cameras are installed in the front, rear, right and left sides of the vehicle. Each camera has a color adjustment function (white balance) that operates independently from each other, which can result in color discrepancy when the combined picture is displayed on the screen. This is especially true when one of the cameras captures more green objects than the remaining cameras.
Some customers may experience the rear audio subwoofer sound pauses intermittently at a high volume level.
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When the volume level is lowered, the subwoofer audio sound returns to normal. The actual volume level where the concern occurs may vary depending on the audio source. If the audio source consists of many low frequency (40 - 70 Hz) sounds, the concern may occur at volume level 35 or higher. This concern is due to the improper control software of the audio amplifier (Bose audio system). To eliminate this concern, the control software has been modified.
Some customers may experience the following symptoms with these software versions: (Ver.
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7230C**-NA03_10022). The person on the line may hear a low voice when using a Bluetooth connected smartphone and talking with the handsfree function on a vehicle with the standard amplifier and 6 speakers.(Ver. 7230C**-NA03_10008 [Mexico Built]) (Ver. 7230C**-NA03_10006 [Japan Built]).The Automatic 911 dialing function may not be available when using CarPlay and moving from the mobile device list screen to the CarPlay screen.
Customers may report no audio when using the infotainment fader function fully adjusted to the rear.
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If the customer's vehicle is among the trim levels referenced above it is equipped with a 6-speaker infotainment system and does not include rear door speakers even though there are speaker grills/covers in the rear door panels. MazdaUSA and published vehicle specifications provide the correct information indicating that these trims are equipped with a "6-speaker audio system". This is a normal condition of the "6-speaker audio system" and current Mazda CONNECT fader function. Rear speaker diagnosis is not necessary as they are not equipped.
Some customers may experience a Bluetooth phone call with low volume from the phone side (caller can barely hear the other side).
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Be advised that Mazda is aware of the issue and is working on a resolution. This Service Alert will be revised when a fix is available. NOTE: Do not perform any repairs at this time.
Some customers may complain about color discrepancies (brightness differences) of the image displayed on the screen when using the 360view monitor.
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As this phenomenon is not a system failure, do not make any repairs or replace any parts.
Some customers may experience no sound from the audio system and/or the audio source cannot be changed.
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This concern may be caused by the remote tuner not operating properly under certain situations. To eliminate this concern, the remote tuner control software has been modified.
Some customers may complain about the Active Driving Display not displaying turn by turn (TBT) travel direction or...
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navigation information.
Some customers may experience the rear subwoofer audio sound pauses at volume level 38 and above and the condition is...
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most pronounced with high base setting +3 - +9. This may be cause by an infotainment software error.
MNAO has recently found an increase in non-returned cores within the United Radio (UR) exchange program.
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As a reminder, dealers have 90 days, after the order is placed, to return the exchanged part. Failure to return the exchanged part will result in a debit of the full component price. It is highly recommended to set a calendar reminder at the time of the order for no more than 60 days to ensure all orders are returned if repaired and if not repaired, contact the customer to cancel the order and return the unit.
Some customers may experience infotainment door rattle noise.
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Follow the repair procedure to help determine the cause.
Some customers may experience an infotainment sub-woofer rattle noise.
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Follow the repair procedure to help determine the cause.
Some customers may complain about the Active Driving Display not displaying turn by turn (TBT) travel direction or...
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navigation information.
Brakes
18 bulletinsSome vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging.
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If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern. NOTE: Before following this Service Alert repair procedure, ensure published TSBs in MGSS have been completed per model year.
Some customers may complain about intermittent audio no sound from the MAZDA CONNECT infotainment system and/or static noise from the speakers.
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The concern may be reproduced by tapping on the dash pad near the MAZDA CONNECT center display and the following DTC's may be stored. U0186:08 Communication error with audio amplifier U2145:08 Communication error with remote tuner (RT) U2145:02 Communication error with remote tuner (RT)
Some vehicles may exhibit a deformed fuel-filler lid panel (1) attached to the fuel-filler lid box, resulting in a poor appearance.
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This concern is caused by the lid box not having enough water drainage capability which leads to the accumulation of water inside it. The water then freezes in cold weather and expands or the inner side of the lid panel absorbs the water and swells from long exposure, deforming the lid panel. To eliminate this concern, the shape of the fuel-filler lid box has been modified to have better drainage capability and a modified fuel-filler lid panel service part has been established for less water absorbance.
Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging.
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If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support (SBS) unintended braking.
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By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle.
Symptom 1: Some customers may complain about hearing a grinding noise and/or vibration occur when applying the brake.
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This is due to rust on the rear brake disc plate. The brake pad has insufficient disc-rust prevention performance, resulting in the disc plate rusting. To eliminate this concern, the pad material has been improved to prevent rust on the disc surface. Symptom 2: Some vehicles may exhibit a squeal noise from the rear brakes when braking lightly while driving at a slow speed. The squeal noise is caused by the disc pad surface fluctuating. To eliminate this concern, the brake pads have been modified.
Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging.
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If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
Symptom 1: Some customers may complain about hearing a grinding noise and/or vibration occur when applying the brake.
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This is due to rust on the rear brake disc plate. The brake pad has insufficient disc-rust prevention performance, resulting in the disc plate rusting. To eliminate this concern, the pad material has been improved to prevent rust on the disc surface. Symptom 2: Some vehicles may exhibit a squeal noise from the rear brakes when braking lightly while driving at a slow speed. The squeal noise is caused by the disc pad surface fluctuating.
Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging.
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If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
Some customers may complain about intermittent audio no sound from the MAZDA CONNECT infotainment system and/or static noise from the speakers.
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The concern may be reproduced by tapping on the dash pad near the MAZDA CONNECT center display and the following DTC's may be stored. U0186:08 Communication error with audio amplifier U2145:08 Communication error with remote tuner (RT) U2145:02 Communication error with remote tuner (RT)
This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support (SBS) unintended braking.
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By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle.
Some customers may complain about intermittent audio no sound from the MAZDA CONNECT infotainment system and/or static noise from the speakers.
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The concern may be reproduced by tapping on the dash pad near the MAZDA CONNECT center display and the following DTC's may be stored. U0186:08 Communication error with audio amplifier U2145:08 Communication error with remote tuner (RT) U2145:02 Communication error with remote tuner (RT)
Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging.
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If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
Symptom 1: Some customers may complain about hearing a grinding noise and/or vibration occur when applying the brake.
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This is due to rust on the rear brake disc plate. Symptom 2: Some vehicles may exhibit a squeal noise from the rear brakes when braking lightly while driving at a slow speed. The squeal noise is caused by the disk pad surface fluctuating.
NOTE: Before proceeding, perform MGSS Vehicle Inquiry (MGSS -> Other Applications -> Warranty Veh.
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Inq. -> RECALLS / SPECIAL SERVICE PROGRAMS -> Status) and check for Open campaigns. If any of the following campaigns are open, complete the campaign before proceeding with this service information. SSPC5 - 2019-2021 MAZDA3 AND 2020-2021 CX-30 - CONTROL UNITS REPROGRAMMING 4219L - 2019MY MAZDA3 SUDDEN DECELERATION FROM FALSE BRAKE ACTIVATION 2024 CX-90 with VINS lower than JM2KK******151673 (produced before November 25, 2023), VCM software update available using TSB 15-001/24. DESCRIPTION This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support (SBS) unintended braking. By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle. IMPORTANT: Humans recognize an object with their eyes and decide whether or not to apply the brakes using their brain. The vehicle recognizes objects using the Forward Sensing Camera (FSC) and Front Radar sensor (FR), to determine brake application. Therefore, drivers may feel that the operation does not match the human feeling.
This information will give you the necessary knowledge to respond to customers concerns of Smart Brake Support (SBS) unintended braking.
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By educating the customer on the system operation, it should reduce their anxiety or distrust of the vehicle.
Some vehicles exhibit brake related concerns such as brake noise, brake judder or brake dragging.
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If you encounter a customer complaint for any one of these symptoms, refer to the following information to understand why symptoms may occur, and to better assist the customer in resolving their specific brake concern.
Symptom 1: Some customers may complain about hearing a grinding noise and/or vibration occur when applying the brake.
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This is due to rust on the rear brake disc plate. Symptom 2: Some vehicles may exhibit a squeal noise from the rear brakes when braking lightly while driving at a slow speed. The squeal noise is caused by the disk pad surface fluctuating.
Body & Paint
17 bulletinsSome vehicles may experience a clicking noise when opening and/or closing the front door due to a broken front door...
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checker plate.
Some customers may notice water in the trunk after a car wash or heavy rain.
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This may be caused by insufficient sealing performance of the trunk lid weatherstrip. Due to improper installation of weatherstrips, the lip of the weatherstrip may lean toward the inside of the trunk, resulting in insufficient sealing performance. To eliminate this concern, the length of the trunk lid weatherstrip has been extended 14 mm {0.5 in.}.
Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows.
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This may be caused by the sun's reflection. If a structure's windows create enough of a curve, the concave glass can focus the sun's rays onto a small area and acting like magnifiying glass direct the sunbeams into a hot pinpoint of light. This magnifcation of the sun's rays can cause damage to vehicle trim (see examples). Additional information and exemplar images regarding this phenomenon can be found by performing a google search.
Some customers may notice water in the trunk after a car wash or heavy rain.
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This may be caused by insufficient sealing performance of the trunk lid weatherstrip. Due to improper installation of weatherstrips, the lip of the weatherstrip may lean toward the inside of the trunk, resulting in insufficient sealing performance.
Some vehicles may exhibit that the glass run channel of the front door interferes with the rear door garnish.
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Since the front door glass run channel is not fixed to the door strongly enough for the following situations, cycles of door operation may result in interference and lead to damage on the seal rubber at the rear door.
Some vehicles may exhibit wiper blade contact with the A-pillar trim, with or without a chattering noise.
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This condition may be caused by worn or contaminated wiper blades. It can also be caused by bent wiper arms, or loose wiper arm retaining nuts due to improper handling. Improper handling occurs when pulling on or forcing the wiper arms. Technicians should be aware that while replacement of the wiper blade may resolve some cases, correction of bent components or repositioning of the wiper arms, particularly when the retaining nut is loose, requires additional steps to ensure proper alignment and function.
The new AWD rear differential DOES NOT come with a breather cap on the rear of the differential, therefore a new one...
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will need to be ordered and installed when replacing the differential. NOTE: The breather threads have a sealant and locking compound that prevents it from being reused. Refer to GEPC for the correct part number of the Differential Breather. The instructions on MGSS will be updated soon to include replacing the breather when replacing the differential with a new unit.
Some customers may notice the front door window(s) do not open.
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This may be caused by the lower window cable corrosion and damage. To eliminate this concern, the following improvements have been made: The shape of the power window regulator pulley has been modified to prevent cable damage. The shape of the carrier plate has been modified to prevent the cable from being exposed to water/moisture.
Some vehicles may experience stains appearing on the hood, roof and/or trunk of the vehicle.
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This concern is most likely to be found in a cold weather areas just after the RAPGARD is removed at PDI. This may be caused by moisture which has been trapped and condensed between the paint and the RAPGARD. These types of stains can be removed with a heat gun or an infrared drier. If you encounter this concern during PDI, use a heat gun or an infrared drier to apply heat to the affected area to remove the stain(s).
Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows.
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This may be caused by the sun's reflection.
Some customers may complain that their liftgate does not open.
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This can mean a range of things, from the liftgate not unlatching to the power liftgate (PLG) not opening automatically. If you confirm that the customer's concern is that the liftgate does not unlatch correctly, follow the repair information below.
Some automotive cleaning products contain strong acid or alkali.
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When these types of cleaners are used to clean the wheels on Mazda vehicles, the chemicals contents penetrate the clear coating of the wheel surface and damage the paint under the clear coating. The damaged area has the appearance of dark stains or discoloration.
Some automotive cleaning products contain strong acid or alkali.
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When these types of cleaners are used to clean the wheels on Mazda vehicles, the chemicals contents penetrate the clear coating of the wheel surface and damage the paint under the clear coating. The damaged area has the appearance of dark stains or discoloration.
The customer may report a rattling noise from the front of the vehicle under load.
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It may sound as if it is coming from the dashboard, but it is coming from the hood prop rod (aka lock-bonnet stay). The prop rod diameter was increased in November 2022 production, but in some circumstances, the noise may still be encountered in vehicles after this production range. Follow the repair information below to confirm the noise and how to eliminate it.
Some vehicles may have a water leak and/or a technician may find water inside the cabin or within a component.
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The source of the leak may be from between the doors at the B-pillar. To correct this concern, there was a mass production change (MPC) on January 14, 2021 to reduce the gap (as seen in the image below).
Some vehicles may experience exterior trim heat damage when parked near a glass building or Low-E windows.
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This may be caused by the sun's reflection.
Some vehicles may experience exterior trim heat damage when parked near a glass building or Low-E windows.
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This may be caused by the sun's reflection.
Other
15 bulletinsCustomers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
Frequently Asked Questions (FAQ)
Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
Frequently Asked Questions (FAQ)
Some customers may complain about scratches on the instrument cluster lens.
Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
Auxiliary key blank cutting procedure.
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There are currently 2 methods for cutting a new auxiliary key blank. A. Auxiliary Key Trace Cut Method B. Auxiliary Key Code Cut Method
Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or seat back surface.
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NOTE: This repair is not a permanent fix, it is meant to make new seats look their best when the vehicle is first presented to the customer. Wrinkles may not be completely removed after the repair is completed. Leather is a natural material and may develop some wrinkles due to aging and wear during normal useage.
Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
Some customers may complain about the poor appearance due to an uneven rear beltline molding joint.
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This concern is caused by the rear beltline molding not being manufactured according to the original designed shape. To eliminate this concern, the rear beltline molding manufacturing process was improved to prevent form shape discrepancies from the original design.
At PDI or when new vehicle is delivered, some customers may complain about wrinkles on the leather seat cushion and/or...
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seat back surface.
Some customers may complain about scratches on the instrument cluster lens.
Transmission
12 bulletinsWhen inspected, the differential or PTO oil is dark or black.
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This is considered normal and NO repair should be performed. During production, differential ring and pinion gears receive a manganese phosphate coating (commonly referred to as black oxide). This coating forms a porous, oil-retentive surface that improves boundary lubrication and reduces adhesive wear during initial contact cycles. Designed as a sacrificial layer, it is gradually removed under load throughout the break-in process. As a result, after the first few hundred miles, or at the initial gear oil service interval, the lubricant may appear darkened by the worn-off coating. It will contain trace ferrous particles from the normal run-in of the gear teeth and bearing surfaces. This condition is expected and does not, by itself, indicate an issue with the differential or PTO gears.
Noise, Vibration, and Harshness (NVH) Diagnostic Guidelines Diagnostic Guidelines When diagnosing NVH concerns, it is...
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essential to first classify the issue into one of three primary categories: Noise, Vibration, or Harshness. Many customer complaints may involve overlapping symptoms, such as both noise and vibration, so identifying the dominant characteristic is critical. Once the primary symptom is determined, follow the appropriate diagnostic path. For example, if a concern includes both noise and vibration but is related to vehicle speed, the vibration diagnostic path should be followed. When considering component replacement during the diagnostic process, it is best practice to start with the lowest cost or most accessible part unless diagnostic evidence clearly identifies a more expensive or complex component as the root cause. This approach helps minimize repair costs and avoids unnecessary part replacements. For example, a growling or bearing whine noise may be mistakenly attributed to internal components in the differential, transfer unit, or transmission, when the actual source is a wheel bearing. Misdiagnosis like this can lead to unnecessary repairs, added time and cost. To help prevent this, always follow the guidelines in the repair procedure.
There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and...
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transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and...
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transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.
Some customers may report concerns with interior upholstery surface stains particularly on high contact areas (e.g.:...
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seats, steering wheel, door panels, shifter...etc.). This may be caused by skin oils or chemicals such as hand lotions.
The SKYACTIV-DRIVE FW6A-EL AT uses Automatic Transmission Fluid (ATF) Type: FZ.
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Only use ATF-FZ to fill or top off the fluid level. ATF-FZ is specially designed for use in the SKYACTIV-DRIVE series AT. It is a low viscosity formula with less friction for better fuel economy. NOTE: ATF-FZ is colored blue for easy identification.
A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023, 2024 and 2025 models.
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ATF-A7 is an extremely low viscosity formulation with low friction to achieve best-in-class fuel economy and driving performance. For easy identification, ATF-A7 is colored Red and ATF-FZ is colored Blue. There is NO interchangeability between ATF-A7 and ATF-FZ.
Due to limitations, certain vehicles from 2016 to current models might display an inaccurate transmission part number in...
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the Global Electronic Parts Catalog (GEPC). To provide support in such cases, a temporary lookup guide has been developed for assistance.
The A/T (Automatic Transmission) warning light is flashing in the instrument cluster at new car delivery, without any...
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DTCs being present.
Some vehicles may exhibit a chirp noise (stick-slip noise) from the automatic transaxle (AT) when shifting from 3 to 4 while driving.
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This may be caused by the automatic transaxle fluid (ATF) being contaminated by iron powder due to excessive wearing of the lock up clutch in the torque converter.
Some vehicles may exhibit a chirp noise (stick-slip noise) from the automatic transaxle (AT) when shifting from 3 to 4 while driving.
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This may be caused by the automatic transaxle fluid (ATF) being contaminated by iron powder due to excessive wearing of the lock up clutch in the torque converter.
A New Automatic Transmission Fluid (ATF-A7) is being used for some 2023 and 2024 models.
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ATF-A7 is an extremely low viscosity formulation with low friction to achieve best-in-class fuel economy and driving performance.
Software & Calibration
10 bulletinsWhen the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement.
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Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement.
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Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement.
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Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:00-TCU...
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(Emergency call unit/telematics communication unit internal malfunction) or U3000:04-TCU (Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:04-TCU...
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(Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:04-TCU...
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(Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:04-TCU...
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(Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:04-TCU...
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(Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
Some customers may experience a Telematics Malfunction message in the instrument cluster with DTC U3000:04-TCU...
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(Telematics communication unit internal malfunction) stored in memory. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified.
When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement.
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Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.. CAUTION: DO NOT swap TCU with another vehicle as the TCU is VIN locked after activation. A TCU swap with another vehicle will disable Connected Services on both vehicles. If TCU activation is not performed, connected vehicle functions will not operate. This will have a negative impact on the customer because they will need to return to the dealer for repairs.
Pre-Delivery & Maintenance
8 bulletinsThis Service Alert supersedes the previously issued SA(s) listed below.
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The changes are noted in Red. SA-060/25 12/16/25 Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. Connected Vehicle Remote functions may fail. The following DTC's may be stored: B1252:87-8B:TCU - COMMUNICATION ERROR WITH CONNECTIVITY MASTER UNIT (CMU) U0198:00-03:CMU - COMMUNICATION ERROR WITH EMERGENCY CALL UNIT/TELEMATICS COMMUNICATION UNIT
Mazda Connect Services - Frequently Asked Questions (FAQ)
Mazda Connected Services - Frequently Asked Questions
Mazda Connected Services - Frequently Asked Questions (FAQ)
Frequently Asked Questions (FAQ) for Mazda Connected Services.
Mazda Connect Services - Frequently Asked Questions (FAQ)
Mazda Connect Services - Frequently Asked Questions (FAQ)
Mazda Connected Services - Frequently Asked Questions (FAQ)
Lighting
8 bulletinsThere are wrinkles on the leather seat cushion and/or seat back surface at PDI, when new vehicle is delivered, or when...
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new upholstery is installed under Warranty repair. NOTE: This repair is not a permanent fix, it is meant to make new seats look their best when the vehicle is first presented to the customer. Wrinkles may not be completely removed after the repair is completed. Leather is a natural material and may develop some wrinkles due to aging and wear during normal usage.
Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the...
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conditions of use, the antistatic components may crystallize slightly, giving an appearance of white stains on the surface.
When performing the MGSS Workshop Manual 360 View Monitor System Aiming Procedure, M-MDS may show error message "Procedure unsuccessful".
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This may be caused by light glare on the SST.
Interior parts made of resin have antistatic coating to prevent dust from sticking on the surfaces, and depending on the...
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conditions of use, the antistatic components may crystallize slightly, giving an appearance of white stains on the surface. To remove the stains, wipe the stained surface with a towel soaked with water mixed with a small portion of a neutral detergent. If the white stains reappear again, simply wipe them again in the same way.
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems.
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Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers.
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems.
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Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers.
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems.
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Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop manual or owner's manual. Services performed outside of Mazda's factory scheduled maintenance are not recommended. These services are unnecessary and create unneeded expenses for your customers.
In-Vehicle Network Malfunction error message and Master Warning light ON with DTC U3000:04 (Telematics communication...
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unit internal malfunction) stored.
Fuel System
6 bulletinsSome customers may experience that the fuel lid and charge lid do not lock or unlock during door lock/unlock operation.
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This is caused by: Improper dimensional accuracy of the lid actuator lock mechanism Incomplete control logic in the R-ESU software To eliminate this concern: The mold design of the lid actuator was modified. The control software of the R-ESU was revised.
Some customers may experience that after the doors are locked and the Fuel Door Lock Delay with MAZDA CONNECT has passed...
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(default setting is 90 seconds), the fuel-filler lid does not lock, but can be opened when pressed. NOTE: The fuel-filler lid does not lock immediately after the doors are locked, but after the time set in the Fuel Door Lock Delay (0, 30, 60, 90, and 120 seconds). Although the root cause has not been identified, the vehicle should be repaired by adjusting the fuel-filler lid opener cable position when there is a customer complaint.
Some customers will report that their fuel door (AKA, fuel filler door, fuel lid, and fuel-filler lid) was stuck closed...
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and would not open to refuel the vehicle. Follow the repair steps below unless the conditions outlined in TSB 09-007/25 - FUEL-FILLER LID PANEL IS DEFORMED for 2019-2025 Mazda3 and 2020-2025 CX-30 are present.
Some customers will report that their fuel door was stuck closed and would not open to refuel the vehicle.
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Follow the repair steps below unless the conditions outlined in TSB 09-007/25 - FUEL-FILLER LID PANEL IS DEFORMED for 2019-2025 Mazda3 and 2020-2025 CX-30 are present.
Some customers will report that their fuel door was stuck closed and would not open to refuel the vehicle.
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Follow the repair steps below unless the conditions outlined in TSB 09-019/21 - FUEL-FILLER LID PANEL IS DEFORMED for 2019-2021 Mazda3 and 2020-2021 CX-30 are present.
Some customers may experience that after the doors are locked and the Fuel Door Lock Delay with MAZDA CONNECT has passed...
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(default setting is 90 seconds), the fuel-filler lid does not lock, but can be opened when pressed. NOTE: The fuel-filler lid does not lock immediately after the doors are locked, but after the time set in the Fuel Door Lock Delay (0, 30, 60, 90, and 120 seconds). Although the root cause has not been identified, the vehicle should be repaired by adjusting the fuel-filler lid opener cable position when there is a customer complaint.
Steering
5 bulletinsBefore judging a steering wheel as having premature wear or a defect, first clean the steering wheel as explained in the repair information.
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Some vehicles may have steering wheel stains caused by chemicals such as hand lotions.
Some vehicles may exhibit wear/peel-off of the leather steering wheel surface causing a poor appearance.
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This concern may be caused by an insufficient wear resistance of the steering wheel surface.
Before judging a steering wheel as having premature wear or a defect, first clean the steering wheel as explained in the repair information.
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Some vehicles may have steering wheel stains caused by chemicals such as hand lotions.
Some vehicles may exhibit a steering shimmy or body vibration during the PDI test drive or during the first few miles of...
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driving after the vehicle has been delivered to the customer due to flat spots on the tires. Flat spots on tires may be caused by improper maintenance during dealer storage (e.g.: Vehicle was left stationary for a prolonged period of time in high ambient temperatures).
Before judging a steering wheel as having premature wear or a defect, first clean the steering wheel as explained in the repair information.
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Some vehicles may have steering wheel stains caused by chemicals such as hand lotions.
Air Bags & Safety
4 bulletinsA customer may complain of a rattle noise from the right side of the dash.
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The noise may be coming from the passenger side airbag.
Some customers may complain that the warning sound in the passenger compartment (notifies i-ACTIVSENSE warnings, seat belt warning etc.) is too loud.
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Some of the volume settings in the notification and warning amplifier are not properly set. The control software of the notification and warning amplifier has been modified to eliminate this concern. CX-70 / CX-90 NOTE: This repair is also applicable for a "WARNING MESSAGE FOR AVAS MALFUNCTION WITH DTC B1A03:2B" concern.
Some customers may complain that the warning sound in the passenger compartment (notifies i-ACTIVSENSE warnings, seat belt warning etc.) is too loud.
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Some of the volume settings in the notification and warning amplifier are not properly set. The control software of the notification and warning amplifier has been modified to eliminate this concern.
Some customers may complain that the warning sound in the passenger compartment (notifies i-ACTIVSENSE warnings, seat belt warning etc.) is too loud.
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Some of the volume settings in the notification and warning amplifier are not properly set. The control software of the notification and warning amplifier has been modified to eliminate this concern.
Hybrid & EV
4 bulletinsQi Wireless Charger symptom troubleshooting.
Qi Wireless Charger symptom troubleshooting
Qi Wireless Charger Symptom Troubleshooting
Qi Wireless Charger Symptom Troubleshooting
HVAC & Climate
3 bulletinsSome customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to...
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be wet.
Some customers may report an odor or water in the HVAC system and upon inspection, the cabin air filter may be found to...
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be wet.
Some vehicles may exhibit that the glass run channel of the front door interferes with the rear door garnish.
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Since the front door glass run channel is not fixed to the door strongly enough for the following situations, cycles of door operation may result in interference and lead to damage on the seal rubber at the rear door. When the front door glass is closed, the glass run channel may be forced to move to the B pillar side. In very hot climates, the glass run channel may expand to the B pillar side.
Tires & Wheels
2 bulletinsSome customers may complain that the tire sidewalls are distorted or "damaged".
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Sidewall waviness/indentations/undulations are common on radial tires and are more noticeable on tires with taller sidewalls. The higher the tire pressure, the more noticeable the effect will be. Be sure to set the tire pressures at the recommended tire pressure on the vehicle tire label. Sidewall indentations are a cosmetic condition that does not affect the performance of the tires.
Some customers may complain that the tire sidewalls are distorted or "damaged".
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Sidewall waviness/indentations/undulations are common on radial tires and are more noticeable on tires with taller sidewalls. The higher the tire pressure, the more noticeable the effect will be. Be sure to set the tire pressures at the recommended tire pressure on the vehicle tire label. Sidewall indentations are a cosmetic condition that does not affect the performance of the tires.
Suspension
2 bulletinsSome vehicles may experience a sunvisor that does not stay in the fully retracted position (as shown below).
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The left and/or right side sunvisor may lower slightly due to its own weight. The part where the sunvisor connects is broken, so the spring cannot hold the sunvisor in the fully retracted position. To eliminate this concern, the stay holder and spring holder have been reinforced.
Some vehicles may experience a sunvisor that does not stay in the fully retracted position (as shown below).
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The left and/or right side sunvisor may lower slightly due to its own weight. The part where the sunvisor connects is broken, so the spring cannot hold the sunvisor in the fully retracted position.