LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1997 >> Jimmy 2D Utility, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.3L >> Diagnostic Trouble Codes >> Notes

Diagnostic Trouble Codes: Notes

NOTE: Before clearing DTCs, perform On-Board Diagnostic (OBD) System Check. See the BASIC TESTING - 4.3L 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.
scientia non olet · About LEMON Manuals