Service bulletin A26-017

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Aug 27, 2026
Manufacturer: HONDA
NHTSA ID: 11036414
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: HONDA CR-V 2023-2026
Component, as stated by NHTSA: ENGINE

Text of the manufacturer communication

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.

Manufacturer document number: A26-017
Date of the communication: 2026-08-26

View original source on NHTSA.gov

Documents filed with NHTSA (PDF)

Bulletin

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Aug 27, 2026.

For the 2023 Honda CR-V

Sport Touring Hybrid

Worth knowing

Relevance of 86% and attention of 78% are one half or more. Interrupt probability of 44% is under one half.

Vehicle relevance: 86%
Attention: 78%
Interrupt probability: 44%

Importance to this owner: 3.1 of 4, important
Vehicle area the notice is about: Engine

This manufacturer communication appears highly relevant to this vehicle configuration. It is worth knowing and does not call for an interruption.

Decided by jev-1.13.0 in 139 ms from 1,545 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

YesNHTSA names this make
YesNHTSA names this model (listed as CR-V)
YesNHTSA lists model year 2023 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
86%	78%	44%	Worth knowing
2%	6%	6%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	6%	Ignored
1%	4%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored

Select a vehicle to see its attention and interrupt figures above.