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BUICK, CADILLAC, CHEVROLET, GMC

PIT6512A

Manufacturer communications

Publication date
2026-08-03
Received by NHTSA
2026-08-14
NHTSA record numbers
11036194

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗

Reported code forms

P0604P0607

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
GMCHUMMER EV PICKUP2026
GMCHUMMER EV PICKUP2025
GMCHUMMER EV PICKUP2024
GMCHUMMER EV PICKUP2023
GMCHUMMER EV SUV2026
GMCHUMMER EV SUV2025
GMCHUMMER EV SUV2024
GMCSIERRA EV2026
GMCSIERRA EV2025
GMCSIERRA EV2024
GMCTERRAIN2026
GMCTERRAIN2025
GMCYUKON2026
GMCYUKON2025
GMCYUKON XL2026
GMCYUKON XL2025

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