Vehicle speed control
Chevrolet technical service bulletin PIT5818 for 2019, 2021 Chevrolet Silverado 1500, 2021 Chevrolet Tahoe and 2019, 2021 GMC Sierra 1500 and others.
- Bulletin number
- PIT5818
- Component
- Vehicle speed control
- Summary
- This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
Owners of these vehicles have filed 73 complaints in the acceleration category.
Vehicles covered
- Chevrolet Silverado 1500 2019, 2021 20192021
- Chevrolet Tahoe 2021 2021
- GMC Sierra 1500 2019, 2021 20192021
- Chevrolet Suburban 2021 2021
- Chevrolet Silverado 2500 2020 2020
- GMC Yukon XL 2021 2021
- GMC Sierra 2500 2020 2020
- Cadillac Escalade ESV 2021 2021
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