Unknown or other
Chevrolet technical service bulletin PIT6329 for 2023-2025 Chevrolet Silverado 1500 and 2023-2025 GMC Sierra 1500.
- Bulletin number
- PIT6329
- Component
- Unknown or other
- Summary
- This Preliminary information communicates an issue with reduced coolant flow through the heater core degrading the heater performance of the HVAC system.
Vehicles covered
- Chevrolet Silverado 1500 2023-2025 202320242025
- GMC Sierra 1500 2023-2025 202320242025
VIN decoder
See the problems and recalls for an exact car
Buying a used Chevrolet Silverado 1500?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history