Power train
Chevrolet technical service bulletin PIT5949C for 2021-2023 Chevrolet Tahoe, 2021-2023 Chevrolet Suburban and 2021-2023 GMC Yukon XL and others.
- Bulletin number
- PIT5949C
- Component
- Power train
- Summary
- This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A set in the Restraints Module Dealers are to replace the overhead roof console with a new console that has revised software.
Owners of these vehicles have filed 439 complaints in the transmission category.
Vehicles covered
- Chevrolet Tahoe 2021-2023 202120222023
- Chevrolet Suburban 2021-2023 202120222023
- GMC Yukon XL 2021-2023 202120222023
- Cadillac Escalade ESV 2021-2023 202120222023
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