• Reset DTC • Toggle ignition key to "key off" and await system reset then "key on" i.e. system wake up. • Read out DTC's again after Cranking the vehicle • If DTC remains active, check for open DCC VCB connectors at the Junction box side and DCC side • Check for blown VCB fuse for the DCC circuit and also a harness continuity check to detect open circuit • Then Crank the vehicle again and check the DTC • If DTC appears again then check for Undervoltage DTCs from battery pack and other VCB components • If undervoltage DTCs are appearing in many VCB components then check the battery pack

Diagnostic depth