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August 15, 2024 Service bulletin

Unknown or other

Chevrolet technical service bulletin PIT5811A for 2020-2021 Chevrolet Silverado 1500, 2020-2021 GMC Sierra 1500 and 2024 Chevrolet Silverado 2500 and others.

Bulletin number
PIT5811A
Component
Unknown or other
Summary
This Preliminary information communicates an issue with the out of park signal, used by upfitters, being inoperative. Dealers are to reprogram the BCM with updated cals to enable the upfitter out of park signal.

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