Service campaign N262572131

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Aug 28, 2026
Manufacturer: GMC
NHTSA ID: 11036440
NHTSA category: Service Campaign
Applies to, as stated by NHTSA: CHEVROLET SILVERADO 2500 2026; CHEVROLET SILVERADO 3500 2026; GMC SIERRA 2500 2026; GMC SIERRA 3500 2026
Component, as stated by NHTSA: ENGINE

Text of the manufacturer communication

Customer Satisfaction Program. Certain vehicles listed above may have a condition in which the oil galley in the cylinder head was not drilled properly. Dealers are to perform the inspection procedure contained within this bulletin.

Manufacturer document number: N262572131
Date of the communication: 2026-08-28
Manufacturer campaign or software version: N262572131

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 28, 2026.

For the 2022 Chevrolet Silverado 1500

LT Trail Boss Crew Cab

Ignored

Relevance of 4% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 4%
Attention: 19%
Interrupt probability: 17%

Importance to this owner: 0.3 of 4, none
Vehicle area the notice is about: Engine

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

Decided by jev-1.13.0 in 137 ms from 1,638 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 2022 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
4%	19%	17%	Ignored
2%	6%	6%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	3%	4%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	3%	4%	Ignored
1%	3%	4%	Ignored
1%	3%	4%	Ignored
1%	4%	4%	Ignored
1%	3%	4%	Ignored
1%	4%	4%	Ignored

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