Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
A26-007
Service Bulletin/Repair Instructions
Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
AEBM08262026901
Other
Dealer Message - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
A26-080
Service Bulletin/Repair Instructions
Service Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water pump operation.
AEBM07242026902
Other
Dealer Message - To help improve engine temperatures, a software update has been developed for the electric water pump to optimize its operation.
A25-017
Service Bulletin/Repair Instructions
Service Bulletin - A slight engine vibration and the Malfunction Indicator Lamp (MIL) is ON with DTC P0700 (Transmission Control System MIL Request) set during start-up in below freezing temperatures.
A23-094
Service Bulletin/Repair Instructions
Service Bulletin - There is a dull creaking, rubbing, popping, or clicking noise coming from the front of the vehicle while turning at low speeds potentially due to the bump stop contacting the top of the front damper body.
A26-025
Service Bulletin/Repair Instructions
Service Bulletin - The current Power Control Unit (PCU) Radiator Guard does not provide adequate protection. 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.
AATS30566
Other
Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's Android phone is connected via Bluetooth.
AEBM04032026903
Other
Dealer Message - The current radiator guard does not provide adequate protection. 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.
ATI&03032026905
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ATI&10012025906
Other
Dealer Message - American Honda Motor Co., Inc. (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.
AA29051
Other
Tech Line - Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05-92 CAN Gateway error stored due to the dealership’s wi-fi settings.
A25-044
Service Bulletin/Repair Instructions
Service Bulletin - The engine runs rough and makes a rattling noise, accompanied by DTC P0134 or P0135 due to a possible 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.
ATI&05222025901
Other
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching certain 2023-2025 Accord FHEV’s 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.
A25-020
Service Bulletin/Repair Instructions
Service Bulletin - The Malfunction Indicator Lamp (MIL) is displayed and DTC P26CC (Electric Engine Coolant Pump Circuit Low Voltage) is stored when starting the vehicle in freezing temperatures.
ATI&01302025903
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ATI&01162025902
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ATI&01022025907
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ATI&12022024908
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ATI&11052024905
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ATI&10212024911
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ATI&10072024906
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ONL6EY09192024
Other
Owner Notification Letter - During manufacturing, certain engine blocks may have had the mounting surface of the 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.
ATI&09132024901
Other
Dealer Message - American Honda Motor Co., Inc. (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.
ONL6EU08052024
Emissions
Owner Notification Letter - Your vehicle may be equipped with an improperly functioning on-board emission-related 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.
A24-055
Service Bulletin/Repair Instructions
Service Bulletin - A complaint of a creaking or squeaking noise coming from the passenger side dash area when the climate control switches from FRESH to RECIRC or RECIRC to FRESH due to a lack of grease applied to the recirculation motor/gear assembly.
ATI&04112024907
Service Bulletin/Repair Instructions
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2024 Accord FHEVs & CR-V FHEVs with a customer complaint of the âEmissions System Warningâ Malfunction Indicator Light (MIL) on with DTC P2101 (Throttle Actuator "A" Control Motor Circuit Range/Performance) stored. Customer may experience the vehicle going into âlimp homeâ 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.
AATS231201
Service Bulletin/Repair Instructions
Techline - If you have a customer with a CR-V Hybrid/Accord Hybrid with DTC P0700 (Transmission Control System MIL Request) and check engine light is illuminated), they may notice a slight vibration (misfire) from the engine.
A23-083
Service Bulletin/Repair Instructions
Service Bulletin - Some customers may experience the MIL (malfunction indicator lamp) illuminating when rapidly decelerating from a high vehicle speed due to Fluid aeration occurring in the e-CVT under high-g rapid deceleration.
ATI&11032023908
Service Bulletin/Repair Instructions
Dealer Message - American Honda Motor Co., Inc. (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.
A23-048
Service Bulletin/Repair Instructions
Service Bulletin - The vehicle may experience a no start condition, low speed rough idle, engine RPM hunting, or have 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).
A23-061
Service Bulletin/Repair Instructions
Service Bulletin - The telematics control unit has a parasitic draw that causes a dead 12 volt battery due to the telematics control unit failing to properly complete the provisioning process. This causes the unit to stay active, and drain the 12 volt battery.
ABOM07212023903
Service Bulletin/Repair Instructions
Dealer Message - Affected vehicles may be equipped with an incorrectly machined engine block at the crankshaft position sensor (CKP) mounting location. 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 vehicleâs compliance with California and Federal emissions standards and regulations.
A23-044
Service Bulletin/Repair Instructions
Service Bulletin - Some customers experienced a software error for code D015. A software issue is causing an internal error in the Infotainment Control Unit.
A23-045
Service Bulletin/Repair Instructions
Service Bulletin - Some customers experience the following errors: DTC B2B05-92 and Code K201. These errors will prevent System Updates from functioning.
A23-043
Service Bulletin/Repair Instructions
Service Bulletin - Some customers experience the following errors: DTC U1803 and Code TT06. A software issue is causing an internal Ethernet error in the CAN Gateway Unit (CGW).
A23-038
Service Bulletin/Repair Instructions
Service Bulletin - While transitioning from Hybrid mode (engine on) to EV mode, the PGM-FI ECU adjusts the crank 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.
ABOM05122023903
Service Bulletin/Repair Instructions
Dealer Message - American Honda is announcing a stop sale and emissions recall for certain 2023 Accord Hybrid and CR-V Hybrid vehicles. 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.
A23040A
Service Bulletin/Repair Instructions
Service News - Some customers are experience the following errors that have no effect on the drivability or operation of the vehicle. A software issue is causing an internal Ethernet error in the CAN Gateway Unit.