Service Update Bulletin
Chevrolet technical service bulletin N212353390 for 2021 Chevrolet Tahoe, 2021 Chevrolet Suburban and 2020-2021 Chevrolet Corvette and others.
- Bulletin number
- N212353390
- Component
- Equipment: electrical
- Summary
- Service Update Bulletin. Certain vehicles that had the Serial Data Gateway Module (SDGM) replaced in service, may not have been programmed correctly resulting in an incomplete registration of the new module. Dealers are to reprogram the SDGM.
Vehicles covered
- Chevrolet Tahoe 2021 2021
- Chevrolet Suburban 2021 2021
- Chevrolet Corvette 2020-2021 20202021
- GMC Yukon 2021 2021
- GMC Yukon XL 2021 2021
- Cadillac Escalade ESV 2021 2021
- Buick Envision 2021-2022 20212022
- Cadillac CT5 2020-2021 20202021
- Cadillac CT4 2020-2021 20202021
- Cadillac Escalade Na 2021 2021
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