This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer...
Chevrolet technical service bulletin 21-NA-149 for 2019-2023 Chevrolet Silverado 1500, 2021-2023 Chevrolet Tahoe and 2019-2023 GMC Sierra 1500 and others.
- Bulletin number
- 21-NA-149
- Component
- Engine
- Summary
- This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, Various DTCs.
Owners of these vehicles have filed 5,106 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2023 20192020202120222023
- Chevrolet Tahoe 2021-2023 202120222023
- GMC Sierra 1500 2019-2023 20192020202120222023
- Chevrolet Suburban 2021-2022 20212022
- 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
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