2025 Mazda Mazda3 TSBs
119 Technical Service Bulletins across 17 categories
Categories
Engine
25 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.
Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7230C**A-NA10_10024).
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NOTE: If current version is not 7230C**-NA10_*****, this TSB is not applicable. (Ver. 10024 for 7230C**-NA10) fixes these software errors (bugs): Air conditioning settings cannot be controlled via Alexa without a CV contract. The banner display for battery level notifications of Bluetooth-connected devices has been modified. The system may freeze on the disclaimer screen when the engine is started normally after using the remote engine starter. However, the camera images on the center display are not affected, and the back camera is usable. Only Bluetooth connection is established when attempting to connect Android Auto.
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 "\".
Subject: Puerto Rico specification vehicles do not have Connected Vehicle Services (CV) Owner Notification Program ONP10...
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2025MY Mazda CX-5, Mazda3, CX-70, CX-90 Dear Mazda Dealer Colleagues, Mazda Motor Corporation has decided to conduct an Owner Notification Program (ONP) on certain 2025 Mazda Corporate and Retail Fleet vehicles. There are 199 vehicles in this campaign and no Mazda Retail vehicles in dealer stock or sold new, used or CPO are affected. Subject VIN and Production date ranges: Model and Quantity affected Subject VIN range Various non-sequential VINs for these models * Only specific vehicles with ONP10 listed in Warranty Vehicle Inquiry are affected Concern Outline: 199 Puerto Rico specification vehicles were sold and registered in the United States as both Corporate vehicles (75) and Rental Fleet vehicles (124). These vehicles do not have Connected Vehicle Services (CV) available, which also means these vehicles cannot be connected to the MyMazda App to use various features like remote start.
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.
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.
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.
Other
13 bulletinsSome customers may experience a message "TCU Malfunction.
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Have the Vehicle Inspected" in the instrument cluster. 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
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.
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.
Alexa Built-In Frequently Asked Questions (FAQ)
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.
Infotainment
13 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 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.
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.
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.
Electrical
12 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.
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.
Body & Paint
12 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.
Transmission
8 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.
Pre-Delivery & Maintenance
7 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)
Lighting
6 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.
Brakes
6 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 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.
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 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.
Fuel System
5 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.
Software & Calibration
3 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.
HVAC & Climate
2 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.
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.
Steering
2 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.
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.
Tires & Wheels
1 bulletinSome 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.
Air Bags & Safety
1 bulletinA 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.
Hybrid & EV
1 bulletinQi Wireless Charger symptom troubleshooting.