Power train
Chevrolet technical service bulletin PIT5770 for 2021 Chevrolet Tahoe, 2021 Chevrolet Suburban and 2021 GMC Yukon XL.
- Bulletin number
- PIT5770
- Component
- Power train
- Summary
- This Preliminary information communicates an issue with the Transmission Control Module (TCM) not communicating and causing a no crank concern. Dealers are to reprogram the TCM to correct the concern.
Owners of these vehicles have filed 179 complaints in the transmission category.
Vehicles covered
- Chevrolet Tahoe 2021 2021
- Chevrolet Suburban 2021 2021
- GMC Yukon XL 2021 2021
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