DCC shifted polarity on VCA side
▶ How to fix
• Check VCA power cables E84.C and E84.D. • Replace cable harness
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. • Amber warning lamp "24V batteries not charged" and "Hybrid System Fault" is shown in ICL
Diagnostic depth
Detection
Error flags “Battery polarity error” are sent on CAN from DCC.
Possible cause
Shifted polarity on VCA