Engine and engine cooling
Chevrolet technical service bulletin PIT6032B for 2022-2023 Chevrolet Silverado 1500, 2022-2023 Chevrolet Tahoe and 2022-2023 GMC Sierra 1500 and others.
- Bulletin number
- PIT6032B
- Component
- Engine and engine cooling
- Summary
- This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
Owners of these vehicles have filed 1,640 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2022-2023 20222023
- Chevrolet Tahoe 2022-2023 20222023
- GMC Sierra 1500 2022-2023 20222023
- Chevrolet Suburban 2022-2023 20222023
- GMC Yukon XL 2022-2023 20222023
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