Service bulletin PIT6534

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Aug 27, 2026
Manufacturer: CHEVROLET
NHTSA ID: 11036395
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: BUICK ENCLAVE 2027; CADILLAC LYRIQ 2027; CADILLAC OPTIQ 2027; CADILLAC VISTIQ 2027; CHEVROLET BLAZER EV 2027; CHEVROLET CORVETTE GRAND SPORT CONVERTIBLE 2027; CHEVROLET CORVETTE GRAND SPORT COUPE 2027; CHEVROLET CORVETTE GRAND SPORT X CONVERTIBLE HYBRID 2027; CHEVROLET CORVETTE GRAND SPORT X COUPE HYBRID 2027; CHEVROLET EQUINOX 2027; CHEVROLET EQUINOX EV 2027; CHEVROLET TRAVERSE 2027; GMC ACADIA 2027; GMC TERRAIN 2027
Component, as stated by NHTSA: UNKNOWN OR OTHER

Text of the manufacturer communication

Onstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.

Manufacturer document number: PIT6534
Date of the communication: 2026-08-18

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 2022 Chevrolet Silverado 1500

LT Trail Boss Crew Cab

Ignored

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

Vehicle relevance: 3%
Attention: 10%
Interrupt probability: 9%

Importance to this owner: 0.1 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 218 ms from 1,765 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
3%	10%	9%	Ignored
2%	5%	6%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	4%	Ignored
1%	5%	6%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	4%	Ignored
1%	5%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	5%	6%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored

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