# Service bulletin PIP6127A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11036713
- Published by NHTSA: 2026\-09\-02
- Manufacturer's number: PIP6127A
- Manufacturer's date: 2026\-08\-27
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036713-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036713-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2023 to 2026 CHEVROLET COLORADO
- 2019 to 2022 CHEVROLET SILVERADO 1500
- 2019 to 2022 CHEVROLET SILVERADO 2500
- 2019 to 2022 CHEVROLET SILVERADO 3500
- 2023 to 2026 GMC CANYON
- 2019 to 2022 GMC SIERRA 1500
- 2019 to 2022 GMC SIERRA 2500
- 2019 to 2022 GMC SIERRA 3500

JSON: [/v1/bulletins/11036713](/v1/bulletins/11036713)

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