This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or...
Chevrolet technical service bulletin 21-NA-281 for 2022-2025 Chevrolet Silverado 1500, 2021-2025 Chevrolet Tahoe and 2022-2025 GMC Sierra 1500 and others.
- Bulletin number
- 21-NA-281
- Component
- Power train
- Summary
- This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
Owners of these vehicles have filed 1,428 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 1500 2022-2025 2022202320242025
- Chevrolet Tahoe 2021-2025 20212022202320242025
- GMC Sierra 1500 2022-2025 2022202320242025
- Chevrolet Suburban 2021-2022, 2024 202120222024
- GMC Yukon 2021-2025 20212022202320242025
- GMC Yukon XL 2021-2025 20212022202320242025
- Cadillac Escalade 2021-2025 20212022202320242025
- Chevrolet Suburban 1500 2021-2025 20212022202320242025
- Cadillac Escalade ESV 2021-2025 20212022202320242025
- Cadillac CT5 2021-2025 20212022202320242025
- Cadillac CT4 2021-2025 20212022202320242025
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