# Service bulletin PIT6534

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: 11036395
- Published by NHTSA: 2026\-08\-27
- Manufacturer's number: PIT6534
- Manufacturer's date: 2026\-08\-18
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036395-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036395-9999.pdf)

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

## Vehicles listed

- 2027 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

JSON: [/v1/bulletins/11036395](/v1/bulletins/11036395)

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