Emission Control Systems: Testing and Inspection

Engine Diagnostic Information

For PCM (Powertrain Control Module) DTCs (Diagnostic Trouble Codes) REFER to DTC Chart: Powertrain Control Module (PCM) Automatic Transmission - 6F50 and 6F55. For driveability symptoms without DTCs (Diagnostic Trouble Codes), refer to Computers and Control Systems Information, Symptom Charts.