STEP 1. Check of open circuit in PWR line between electric steering lock connector and battery.
STEP 2. Check of short to ground and open circuit in PCO line between electric steering lock connector and OSS-ECU connector
STEP 3. Check of short to ground, short to power supply, and open circuit in LIN line between electric steering lock connector and OSS-ECU connector
STEP 4. After performing the locking and unlocking operations of the electric steering lock, recheck the DTC.
STEP 5. Check whether the DTC is reset.