Service bulletin A26-025
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11031499 |
| Published by NHTSA | 2026-04-22 |
| Manufacturer's number | A26-025 |
| Manufacturer's date | 2026-04-21 |
| NHTSA component | ENGINE |
NHTSA's summary
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.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
| HONDA ACCORD HYBRID | 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| A26-007 | 2026-10-01. Service bulletin. 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). |
|---|---|
| A26-005 | 2026-10-01. Service bulletin. 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). |
| AEBM08262026901 | 2026-08-27. 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. |
| A26-007 | 2026-08-27. Service bulletin. 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. |
| A26-005 | 2026-08-27. Service bulletin. 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. |
| A26-080 | 2026-08-05. Service bulletin. Service Bulletin - To better manage engine temperatures, a PGM-FI update has been developed to optimize electric water pump operation. |
| AEBM07242026902 | 2026-08-05. 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 | 2026-07-01. Service bulletin. 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. |
| ATI&03032026905 | 2026-03-16. 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 | 2025-10-14. 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. |