Trailer hitches
Chevrolet technical service bulletin PIT5948B for 2022-2023 Chevrolet Silverado 1500, 2022-2023 Chevrolet Tahoe and 2022-2023 GMC Sierra 1500 and others.
- Bulletin number
- PIT5948B
- Component
- Trailer hitches
- Summary
- This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering released an updated trailer brake switch, See Customer Satisfaction Program N222384930.
Vehicles covered
- Chevrolet Silverado 1500 2022-2023 20222023
- Chevrolet Tahoe 2022-2023 20222023
- GMC Sierra 1500 2022-2023 20222023
- Chevrolet Suburban 2022 2022
- GMC Yukon XL 2022 2022
- Cadillac Escalade ESV 2022 2022
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