Service bulletin A26-010

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Aug 27, 2026
Manufacturer: HONDA
NHTSA ID: 11036409
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: HONDA CIVIC 2022-2024; HONDA CIVIC SI 2022-2026
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: A26-010
Date of the communication: 2026-08-26

View original source on NHTSA.gov

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

Ignored

Relevance of 3% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 3%
Attention: 9%
Interrupt probability: 7%

Importance to this owner: 0.0 of 4, none
Vehicle area the notice is about: None

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 140 ms from 1,563 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
NoNHTSA names this model
n/aNHTSA lists model year 2023 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
3%	9%	7%	Ignored
1%	3%	4%	Ignored
1%	5%	5%	Ignored
1%	5%	5%	Ignored
1%	5%	6%	Ignored
1%	4%	4%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored
1%	5%	6%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	4%	Ignored
1%	5%	5%	Ignored
1%	3%	3%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored

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