Service bulletin B26-003
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 | 11037718 |
| Published by NHTSA | 2026-10-01 |
| Manufacturer's number | B26-003 |
| Manufacturer's date | 2026-09-25 |
| NHTSA component | ENGINE |
NHTSA's summary
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).
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
Trouble codes named
P0300, P0304
| ACURA INTEGRA | 2023, 2024, 2025, 2026 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| B26-002 | 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). |
|---|---|
| BBJA31120 | 2026-09-21. Service bulletin. Job Aid - This job aid only applies to vehicles involved in the cylinder head gasket warranty extension. While replacing the cylinder head gasket, a flatness check of the mating surfaces of both the cylinder head and engine block must be done. If the mating surface warpage is found to be outside of service manual specifications, replacement of the component is required. |
| B26-003 | 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. |
| B26-002 | 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. |
| BEBM08262026901 | 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. |
| B25-051 | 2025-09-23. Service bulletin. Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover. |
| B25-050 | 2025-09-23. Service bulletin. Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover. |
| B24-026 | 2024-04-27. Service bulletin. Service Bulletin - MIL comes on and sets DTC P0011 (Variable Valve Timing Control (VTC) A System Malfunction) due to a lack of oil control by the PCM, causing the VTC to overshoot its target. |