Diagnostic Trouble Codes: Notes

WARNING: This page is about a different car, the 1997 Pontiac Grand Am, 1997 Oldsmobile Cutlass, 1997 Oldsmobile Achieva, 1997 Chevrolet Malibu, and 1997 Buick Skylark. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before clearing DTCs, perform On-Board Diagnostic (OBD) System Check. See the BASIC TESTING - 3.1L article. Record FREEZE FRAME and FAILURE RECORDS for reference during testing. Data will be erased when DTCs are cleared. If PCM/VCM is replaced, NEW PCM/VCM must be programmed using special manufacturer's equipment.