2025 Honda Accord Hybrid Technical Service Bulletins

16 technical service bulletins (TSBs) are on record for the 2025 Honda Accord Hybrid. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037691Sep 25, 2026Engine. Service Bulletin - Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause 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).
• 11036424Aug 26, 2026Engine. 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.
• 11036406Aug 26, 2026Engine. 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.
• 11036112Aug 8, 2026Fuel system. Service Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water pump operation.
• 11035782Jul 24, 2026Fuel system, Engine. Service Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water pump operation.
• 11035778Jul 24, 2026Fuel system, Engine. Dealer Message - To help improve engine temperatures, a software update has been developed for the electric water pump to optimize its operation.
• 11031760Apr 22, 2026Body and structure. 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.
• 11031756Apr 21, 2026Transmission and drivetrain. 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.
• 11031499Apr 21, 2026Engine. 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.
• 11031289Apr 7, 2026Electrical system. 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.
• 11031283Apr 4, 2026Transmission and drivetrain. 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 Malfunction Indicator Lights (MIL) and decreased hybrid system performance.
• 11031279Apr 4, 2026Transmission and drivetrain. 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.
• 11030077Mar 3, 2026Engine. 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.
• 11021951Aug 4, 2025Electrical system. 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.
• 11020826Jul 8, 2025Engine. 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.
• 11019245May 22, 2025Electrical system. 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.

← All problems reported for the 2025 Honda Accord Hybrid