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GMC TSB #PIT5849D
2022 GMC Sierra 2500
TSB Document:
Affected Component: EXTERIOR LIGHTING:TAIL LIGHTS
- Summary
- This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery.  GM Engineering has released a fix and dealers are to reprogram the BCM per Customer Satisfaction Program N212344990.
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