This informational bulletin advises the tech the possible causes of the DTCs that set and how to...
Chevrolet technical service bulletin 23-NA-138 for 2020-2024 Chevrolet Silverado 1500, 2021-2023 Chevrolet Tahoe and 2021-2024 GMC Sierra 1500 and others.
- Bulletin number
- 23-NA-138
- Component
- Electrical system
- Summary
- This informational bulletin advises the tech the possible causes of the DTCs that set and how to maintenance the issue.
Owners of these vehicles have filed 1,174 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2020-2024 20202021202220232024
- Chevrolet Tahoe 2021-2023 202120222023
- GMC Sierra 1500 2021-2024 2021202220232024
- Chevrolet Suburban 2021-2023 202120222023
- GMC Yukon 2021-2023 202120222023
- GMC Yukon XL 2021-2023 202120222023
- Cadillac Escalade 2021-2023 202120222023
- Chevrolet Suburban 1500 2021-2023 202120222023
- Cadillac Escalade ESV 2021-2023 202120222023
- GMC Yukon XL 1500 2023 2023
- Cadillac Escalade Na 2021 2021
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