# Service bulletin PIT6512

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: 11032768
- Published by NHTSA: 2026\-05\-19
- Manufacturer's number: PIT6512
- Manufacturer's date: 2026\-05\-11
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032768-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032768-9999.pdf)

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

## Trouble codes named

P0604, P0607

## Vehicles listed

- 2025 BUICK ENCLAVE
- 2023 to 2025 BUICK ENVISION
- 2025 to 2026 CADILLAC CT5
- 2025 CADILLAC ESCALADE IQ
- 2023 to 2025 CADILLAC LYRIQ
- 2025 CADILLAC OPTIQ
- 2024 to 2025 CADILLAC XT4
- 2024 to 2025 CHEVROLET BLAZER EV
- 2023 to 2025 CHEVROLET COLORADO
- 2024 to 2025 CHEVROLET CORVETTE
- 2025 to 2026 CHEVROLET EQUINOX
- 2024 to 2025 CHEVROLET EQUINOX EV
- 2024 to 2025 CHEVROLET SILVERADO 1500
- 2024 to 2026 CHEVROLET TRAVERSE
- 2024 to 2025 GMC ACADIA
- 2023 to 2025 GMC CANYON
- 2023 to 2025 GMC HUMMER EV PICKUP
- 2024 to 2025 GMC HUMMER EV SUV
- 2024 to 2025 GMC SIERRA EV
- 2025 to 2026 GMC TERRAIN

JSON: [/v1/bulletins/11032768](/v1/bulletins/11032768)

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