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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1255 (Body Control System) >> Diagnostic Information and Procedures >> On-Board Diagnostic Features >> Clearing DTCs

Clearing DTCs

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Make sure the BCM is in self-test and you have retrieved DTCs.
  2. Press and hold the door UNLOCK switch on either front door for 4 seconds.
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