Service bulletin PIT6426C

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 22, 2026
Manufacturer: GMC
NHTSA ID: 11037446
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: BUICK ENCLAVE 2025-2027; CADILLAC CELESTIQ 2025-2026; CADILLAC CT5 2025-2026; CADILLAC ESCALADE 2025-2026; CADILLAC ESCALADE ESV 2025-2026; CADILLAC ESCALADE IQ 2025-2026; CADILLAC ESCALADE IQL 2026; CADILLAC LYRIQ 2023-2027; CADILLAC OPTIQ 2025-2027; CADILLAC VISTIQ 2026-2027; CHEVROLET BLAZER 2025-2026; CHEVROLET BLAZER EV 2024; CHEVROLET EQUINOX EV 2024-2027; CHEVROLET SILVERADO EV 2024-2026; and 9 more models
Component, as stated by NHTSA: UNKNOWN OR OTHER

Text of the manufacturer communication

If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.

Manufacturer document number: PIT6426C
Date of the communication: 2026-09-15

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 Sep 22, 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: 9%
Interrupt probability: 9%

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 142 ms from 1,963 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%	9%	9%	Ignored
3%	12%	9%	Ignored
3%	13%	9%	Ignored
2%	5%	6%	Ignored
2%	6%	7%	Ignored
1%	4%	6%	Ignored
1%	4%	5%	Ignored
1%	5%	6%	Ignored
1%	5%	6%	Ignored
1%	3%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored

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