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 "DTC Status" 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
- Select ABS/ESP system and check DTCs related with wheel speed sensor or CAN Timeout. If DTC is exist, repair as necessary, and then clear the DTC.
- Recheck SCC/AEB system, if C120881 is still active DTC, go to next procedure.
NO
- Fault is intermittent caused by poor contact in the sensor's and/or control module's connector, or was repaired and control module's 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.