Electrical system
Chevrolet technical service bulletin PIC6437 for 2021 Chevrolet Tahoe, 2021 Chevrolet Suburban and 2020-2021 Chevrolet Corvette and others.
- Bulletin number
- PIC6437
- Component
- Electrical system
- Summary
- This Preliminary information communicates the Radio may stay on after ignition off and door opened if there is an Over The Air update pending and to review SI document ID 5778263 for Over The Air update description and operation.
Owners of these vehicles have filed 139 complaints in the electrical category.
Vehicles covered
- Chevrolet Tahoe 2021 2021
- Chevrolet Suburban 2021 2021
- Chevrolet Corvette 2020-2021 20202021
- GMC Yukon XL 2021 2021
- Cadillac Escalade ESV 2021 2021
- Buick Envision 2021 2021
- Cadillac CT5 2020-2021 20202021
- Cadillac CT4 2020-2021 20202021
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