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GMC TSB #21-NA-183
2020 GMC Acadia
TSB Document:
Affected Component: EQUIPMENT
- Summary
- This service bulletin provides repair information to correct a customer concern of Intermittent Door Locks Inoperative, DTCs B3125, B3130, B3135, B3979, B3980, Various U codes, IP Lamps Illuminate, Immobilizer, Unwanted Horn or Hazard Flasher Operation.
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