Monitor DTC Status
- Plug GDS to Data Link Connector (DLC).
- Turn "ON" the ignition switch.
- Select "Diagnostic Trouble Codes (DTC)," and click "DTC Status" to check DTC information.
- Read the "DTC State" parameter.
- Record all DTCs, DTC state and freeze frame data. Is the DTC State "Present?"NOTE:
- History (Not Present) state: the DTC set but has been cleared.
- Present state: the DTC is active at present time.
YES
- Go to next procedure.
NO
- Fault is intermittent caused by poor connection in sensor harness, was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair " procedure.