Unknown or other
Chevrolet technical service bulletin PIT6489 for 2019-2022 Chevrolet Silverado 1500, 2019-2022 GMC Sierra 1500 and 2020-2023 Chevrolet Silverado 2500 and others.
- Bulletin number
- PIT6489
- Component
- Unknown or other
- Summary
- This preliminary information communicates an issue with the engine running after the ignition is turned off and diagnostic help to isolate a possible Fuel Pump Control Module issue.
Vehicles covered
- Chevrolet Silverado 1500 2019-2022 2019202020212022
- GMC Sierra 1500 2019-2022 2019202020212022
- Chevrolet Silverado 2500 2020-2023 2020202120222023
- GMC Sierra 2500 2020-2023 2020202120222023
- Chevrolet Silverado 3500 2020-2023 2020202120222023
- GMC Sierra 3500 2020-2023 2020202120222023
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