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2023 Honda Accord Hybrid TSBs

48 Technical Service Bulletins across 7 categories

Engine

33 bulletins
11037691

Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause...

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vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored (DTCs are not required for repair).

11036424

Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause...

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vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.

11036406

Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause...

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vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.

11036112

Service Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water...

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pump operation.

11035782

Service Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water...

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pump operation.

11035778

Dealer Message - To help improve engine temperatures, a software update has been developed for the electric water pump...

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to optimize its operation.

11034202

Service Bulletin - A slight engine vibration and the Malfunction Indicator Lamp (MIL) is ON with DTC P0700 (Transmission...

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Control System MIL Request) set during start-up in below freezing temperatures.

11031279

Dealer Message - The current radiator guard does not provide adequate protection.

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Roadway debris can cause damage to the Power Control Unit (PCU) radiator which may lead to coolant leakage, illumination of multiple Malfunction Indicator Lights (MIL), and/or loss of driving force.

11030077

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-2025 FHEV Accords & CR-Vs with a customer complaint of an oil leak or a dealer noticing an oil leak from the cylinder head cover gasket during routine maintenance. To better understand the cause of this condition, AHM would like to collect certain parts from the vehicle prior to you attempting a repair of any kind.

11024249

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-2024 FHEV Accords & CR-Vs with a customer complaint of an oil leak or a dealer noticing an oil leak from the head cover gasket during routine maintenance. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

11020826

Service Bulletin - The engine runs rough and makes a rattling noise, accompanied by DTC P0134 or P0135 due to a possible...

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fuel injector leak causing a rich air/fuel (A/F) mixture that fouls the spark plug(s) and causing the PCM to misread the A/F sensor heater resistance. Other DTCs may also include: P0700, P0300, P219C, P219D, P219E, P219F, P0172.

11019245

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching certain 2023-2025 Accord FHEVs with a customer complaint of multiple warning lights on for lost communication DTCs. In some cases, the customer may also experience their vehicle losing power. To better understand the cause of this condition, AHM would like to collect information from the vehicle.

11014395

Service Bulletin - The Malfunction Indicator Lamp (MIL) is displayed and DTC P26CC (Electric Engine Coolant Pump Circuit...

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Low Voltage) is stored when starting the vehicle in freezing temperatures.

11013767

Service Bulletin - A slight engine vibration and the Malfunction Indicator Lamp (MIL) is ON with DTC P0700 (Transmission...

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Control System MIL Request) set during start-up in below freezing temperatures.

11013755

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11013118

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11013106

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11011791

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11010552

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11010120

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11009177

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11009107

Owner Notification Letter - During manufacturing, certain engine blocks may have had the mounting surface of the...

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crankshaft position sensor improperly machined. This may lead to a misfire under certain conditions, the Malfunction Indicator Lamp (MIL) illuminating or, potentially, damaging the catalytic converter.

11007884

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-24 Accords FHEVs with a customer complaint of front damper noise. The original dampers may also be leaking. To better understand the cause of this condition, AHM would like to collect parts from the vehicle prior to you attempting a repair of any kind.

11006536

Owner Notification Letter - Your vehicle may be equipped with an improperly functioning on-board emission-related...

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diagnostic system that violates California and Federal standards and regulations. While transitioning from hybrid mode (engine on) to EV mode, a software programming error results in the PGM-FI ECU resetting and inappropriately erasing stored memory data in the PGM-FI ECU. In some cases, the Malfunction Indicator Lamp (MIL) may be set as a result.

11000274

Service Bulletin - A complaint of a creaking or squeaking noise coming from the passenger side dash area when the...

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climate control switches from FRESH to RECIRC or RECIRC to FRESH due to a lack of grease applied to the recirculation motor/gear assembly.

10253307

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-2024 Accord FHEVs & CR-V FHEVs with a customer complaint of the Emissions System Warning Malfunction Indicator Light (MIL) on with DTC P2101 (Throttle Actuator "A" Control Motor Circuit Range/Performance) stored. Customer may experience the vehicle going into limp home mode. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.

10247625

Techline - If you have a customer with a CR-V Hybrid/Accord Hybrid with DTC P0700 (Transmission Control System MIL...

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Request) and check engine light is illuminated), they may notice a slight vibration (misfire) from the engine.

10245274

Dealer Message - American Honda Motor Co., Inc.

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(AHM) is searching for certain 2023-2024 Accord FHEVs with a customer complaint of the display audio volume knob being inoperable for controlling the volume or turning the system on/off. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.

10244195

Service Bulletin - The vehicle may experience a no start condition, low speed rough idle, engine RPM hunting, or have...

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the following DTCs set P0017 (Camshaft Position (CMP) Sensor B and Crankshaft Position (CKP) Sensor Correlation) or P0339 (Crankshaft Position (CKP) Sensor Circuit Intermittent Interruption).

10239703

Service Bulletin - The vehicle may experience a no start condition, low speed rough idle, engine RPM hunting, or have...

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the following DTCs set P0017 (Camshaft Position (CMP) Sensor B and Crankshaft Position (CKP) Sensor Correlation) or P0339 (Crankshaft Position (CKP) Sensor Circuit Intermittent Interruption).

10239702

Dealer Message - Affected vehicles may be equipped with an incorrectly machined engine block at the crankshaft position sensor (CKP) mounting location.

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Improper manufacturing of the engine block at this location may prevent accurate CKP measurements leading to misfire and potential catalyst deterioration. This condition may affect a vehicles compliance with California and Federal emissions standards and regulations.

10236570

Dealer Message - American Honda is announcing a stop sale and emissions recall for certain 2023 Accord Hybrid and CR-V Hybrid vehicles.

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When the vehicle transitions from hybrid mode (engine on) to EV mode the FI-ECU may reset due to a software programming error and results in stored memory data in the PGM-FI ECU being inappropriately erased.

10236569

Service Bulletin - While transitioning from Hybrid mode (engine on) to EV mode, the PGM-FI ECU adjusts the crank...

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position for best location of engine start. A software programming error during this transition results in the PGM-FI ECU resetting and inappropriately erasing stored memory data in the PGM-FI ECU. In some cases, the Malfunction Indicator Lamp (MIL) may be set as a result.

Lighting

3 bulletins
11031756

Service Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection.

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Roadway debris can cause damage to the PCU Radiator which may result in multiple warning lights, Malfunction Indicator Lights (MIL), and decreased hybrid system performance.

11031499

Service Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection.

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Roadway debris can cause damage to the PCU Radiator which may result in multiple warning lights, Malfunction Indicator Lights (MIL), and decreased hybrid system performance.

11031283

Service Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection.

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Roadway debris can cause damage to the PCU Radiator which may result in multiple Malfunction Indicator Lights (MIL) and decreased hybrid system performance.

Infotainment

3 bulletins
11021951

Tech Line - Customers may experience error code S001 with their audio unit.

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The vehicle may also have DTC B2B05-92 CAN Gateway error stored due to the dealerships wi-fi settings.

10237950

Service Bulletin - Some customers experienced a software error for code D015.

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A software issue is causing an internal error in the Infotainment Control Unit.

10237041

Service Bulletin - A software issue is causing an internal error in the Infotainment Control Unit.

Transmission

3 bulletins
10245552

Service Bulletin - Some customers may experience the MIL (malfunction indicator lamp) illuminating when rapidly...

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decelerating from a high vehicle speed due to Fluid aeration occurring in the e-CVT under high-g rapid deceleration.

10244253

Service Bulletin - Some customers may experience the MIL (malfunction indicator lamp) illuminating when rapidly...

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decelerating from a high vehicle speed due to fluid aeration occuring in the e-CVT under high-g rapid deceleration.

10243742

Service Bulletin - Some customers may experience the MIL (malfunction indicator lamp) illuminating when rapidly...

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decelerating from a high vehicle speed due to fluid aeration occurring in the e-CVT under high-g rapid deceleration.

Software & Calibration

3 bulletins
10237808

Service Bulletin - Some customers experience the following errors: DTC B2B05-92 and Code K201.

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These errors will prevent System Updates from functioning.

10237040

Service Bulletin - Some customers experience the following errors: DTC U1803 and Code TT06.

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A software issue is causing an internal Ethernet error in the CAN Gateway Unit (CGW).

10234577

Service News - Some customers are experience the following errors that have no effect on the drivability or operation of the vehicle.

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A software issue is causing an internal Ethernet error in the CAN Gateway Unit.

Electrical

2 bulletins
11031289

Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle,...

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when the customer's Android phone is connected via Bluetooth.

10240733

Service Bulletin - The telematics control unit has a parasitic draw that causes a dead 12 volt battery due to the...

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telematics control unit failing to properly complete the provisioning process. This causes the unit to stay active, and drain the 12 volt battery.

Body & Paint

1 bulletin
11031760

Service Bulletin - There is a dull creaking, rubbing, popping, or clicking noise coming from the front of the vehicle...

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while turning at low speeds potentially due to the bump stop contacting the top of the front damper body.