Service bulletin PIP6127A

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 2, 2026
Manufacturer: GMC
NHTSA ID: 11036713
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: CHEVROLET COLORADO 2023-2026; CHEVROLET SILVERADO 1500 2019-2022; CHEVROLET SILVERADO 2500 2019-2022; CHEVROLET SILVERADO 3500 2019-2022; GMC CANYON 2023-2026; GMC SIERRA 1500 2019-2022; GMC SIERRA 2500 2019-2022; GMC SIERRA 3500 2019-2022
Component, as stated by NHTSA: UNKNOWN OR OTHER

Text of the manufacturer communication

This document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. The torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-NA-148 before requesting a part through PQC.

Manufacturer document number: PIP6127A
Date of the communication: 2026-08-27

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 Sep 2, 2026.

For the 2022 Chevrolet Silverado 1500

LT Trail Boss Crew Cab

Worth knowing

Relevance of 86% and attention of 54% are one half or more. Interrupt probability of 41% is under one half.

Vehicle relevance: 86%
Attention: 54%
Interrupt probability: 41%

Importance to this owner: 2.6 of 4, important
Vehicle area the notice is about: Transmission

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 171 ms from 1,742 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 SILVERADO 1500)
YesNHTSA lists model year 2022 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
86%	54%	41%	Worth knowing
2%	6%	7%	Ignored
2%	4%	5%	Ignored
2%	5%	5%	Ignored
2%	4%	5%	Ignored
2%	5%	6%	Ignored
2%	5%	5%	Ignored
2%	4%	5%	Ignored
2%	6%	7%	Ignored
2%	5%	6%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	4%	4%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	3%	5%	Ignored

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