This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for...
Chevrolet technical service bulletin 22-NA-187 for 2019-2023 Chevrolet Silverado 1500, 2020-2023 Chevrolet Tahoe and 2019-2023 GMC Sierra 1500 and others.
- Bulletin number
- 22-NA-187
- Component
- Power train
- Summary
- This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector.
Owners of these vehicles have filed 2,639 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2023 20192020202120222023
- Chevrolet Tahoe 2020-2023 2020202120222023
- GMC Sierra 1500 2019-2023 20192020202120222023
- Chevrolet Suburban 2020-2023 2020202120222023
- GMC Yukon 2020-2023 2020202120222023
- Chevrolet Silverado 2500 2020-2023 2020202120222023
- GMC Yukon XL 2020-2023 2020202120222023
- GMC Sierra 2500 2020-2023 2020202120222023
- Cadillac Escalade 2020-2023 2020202120222023
- Chevrolet Suburban 1500 2021-2023 202120222023
- Chevrolet Silverado 3500 2020-2023 2020202120222023
- GMC Sierra 3500 2020-2023 2020202120222023
- Cadillac Escalade ESV 2020-2023 2020202120222023
- GMC Yukon XL 1500 2023 2023
- Cadillac Escalade Na 2021 2021
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