# Service campaign N262556930\-01

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 campaign
- NHTSA id: 11033928
- Published by NHTSA: 2026\-06\-17
- Manufacturer's number: N262556930\-01
- Manufacturer's date: 2026\-06\-17
- Campaign id or software version: N262556930\-01
- NHTSA component: POWER TRAIN

## NHTSA's summary

Certain vehicles may have a condition in which the transfer case drive chain sprocket is cracked. Dealers are to replace the transfer case.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033928-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033928-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2026 CHEVROLET COLORADO
- 2026 GMC CANYON

## Other bulletins for the same vehicles and component

- [N262556930](/bulletins/11033152.md), 2026-06-02, Service campaign: POWER TRAIN. Certain vehicles may have a condition in which the transfer case drive chain sprocket is cracked. Dealers are to replace the transfer case.
- [N252517790](/bulletins/11024270.md), 2025-10-14, Service campaign: POWER TRAIN. Certain vehicles, equipped with 8L80 or 8L90 Transmissions, may have a condition in which the reaction carrier cracks. Dealers are to replace the reaction carrier.

JSON: [/v1/bulletins/11033928](/v1/bulletins/11033928)

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