DCC short circuit on VCA-side
â–¶ How to fix
• Check VCA power cables E84.C and E84.D from DCC to the 24-V battery • Disconnect VCA power cables E84.C and E84.D from DCC and 24-V battery and measure resistance. • Replace cable harness if damaged • Replace DCC(E84) if no cable fault could be detected
What you'll see
No driver-visible symptom recorded.
System reaction
• VOR, 24V not charging. DCC will be disabled and enter error state and the 24-volt system will drain the 24-volt batteries. • Yellow warning lamp "24V batteries not charged" and "Hybrid System Fault" is shown in ICL
Diagnostic depth
Detection
One of the following error flags are sent on CAN from DCC: • Low side over current trip • Short circuit • Power out reset • High side over current trip
Possible cause
Short circuit on the VCA