STEP 1. Using scan tool (M.U.T.-IIISE), diagnose CAN bus line.
STEP 2. Using scan tool (M.U.T.-IIISE), check whether the other system DTC is set.
STEP 3. Check of short to ground, open circuit and damage in CHIN line between on board charger/DC-DC converter connector and ETACS-ECU.
STEP 4. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.