# Service bulletin A25\-089

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: 11023271
- Published by NHTSA: 2025\-09\-23
- Manufacturer's number: A25\-089
- Manufacturer's date: 2025\-09\-17
- NHTSA component: ENGINE

## NHTSA's summary

Service Bulletin \- Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023271-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023271-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2017 to 2021 HONDA CIVIC TYPE R
- 2022 HONDA CIVIC TYPE R
- 2023 to 2026 HONDA CIVIC TYPE R

## Other bulletins for the same vehicles and component

- [A26\-011](/bulletins/11037697.md), 2026-10-01, Service bulletin: ENGINE. 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\-010](/bulletins/11037696.md), 2026-10-01, Service bulletin: ENGINE. 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](/bulletins/11036424.md), 2026-08-27, Other: ENGINE. 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\-011](/bulletins/11036410.md), 2026-08-27, Service bulletin: ENGINE. 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\-010](/bulletins/11036409.md), 2026-08-27, Service bulletin: ENGINE. 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.
- [A25\-062](/bulletins/11024893.md), 2025-11-04, Service bulletin: ENGINE. Service Bulletin \- Water could enter the hood scoop and accumulate down inside the no. 4 spark plug hole. This can corrode the ignition coil, plug tube, and spark plug, leading to a misfire to the no. 4 cylinder. If a misfire is detected, DTC P0304 is stored.
- [A25\-062](/bulletins/11022041.md), 2025-08-21, Service bulletin: ENGINE. Service Bulletin \- Water could enter the hood scoop and accumulate down inside the no. 4 spark plug hole. This can corrode the ignition coil, plug tube, and spark plug, leading to a misfire to the no. 4 cylinder. If a misfire is detected, DTC P0304 is stored.
- [A25\-076](/bulletins/11021745.md), 2025-08-08, Service bulletin: ENGINE. Service Bulletin \- Oil leak at timing chain tensioner inspection cover due to possible insufficient sealant adhesion on inspection cover.
- [A25\-023](/bulletins/11015700.md), 2025-03-19, Service bulletin: ENGINE. Service Bulletin \- The MIL comes on with DTC P0369, Camshaft Position \(CMP\) EX\-VTC actuator interruption due to the PCM software at start\-up determining the EX\-VTC actuator operation as noise of the EX\-CMP sensor B, causing MIL to turn on and set DTC P0369.
- [ATI\&12022024909](/bulletins/11011792.md), 2024-12-12, Other: ENGINE. Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2018\-2024 Accord 1.5Ls, 2021\-2024 Civics 1.5Ls, 2023\-2024 CR\-Vs 1.5Ls, and 2017 Fits with customer complaint of Check Engine Light \(CEL\) on with DTC P0420 \[Catalyst System Efficiency Below Threshold\] stored. To better understand the cause of this condition, AHM would like to specific parts from the vehicle prior to you attempting a repair of any kind.

JSON: [/v1/bulletins/11023271](/v1/bulletins/11023271)

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