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Diagnostic Procedures

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 Pontiac Grand Prix, 2000 Pontiac Firebird, 2000 Pontiac Bonneville, 2000 Chevrolet Monte Carlo, and 2000 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform On-Board Diagnostic (OBD) system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. After performing OBD system check, go to next step.
  2. Replace PCM. Program replacement PCM using required equipment.
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