DCC shifted polarity on VCA side
â–¶ How to fix
• 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 • 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. • Yellow warning lamp "24V batteries not charged" and "Hybrid System Fault" is shown in ICL
Diagnostic depth
Detection
The following DCC2 event is active: DCDC Sensors.Lowside Battery Polarity Error
Possible cause
Shifted polarity on VCA