P2C88

Symptoms

• The Check Engine light comes on
• A warning message appears on the dashboard
• Reduced performance of the hybrid system
• The car may go into emergency mode
• Possible problems with charging the high-voltage battery

Causes

• Damage to the insulation of high-voltage cables
• Moisture ingress into high voltage components
• Wear of insulating materials
• Damage to the high voltage battery
• Insulation monitoring system malfunction

How to Fix

1. Carry out diagnostics of the high-voltage system
2. Check the insulation integrity of all high voltage components
3. Investigate possible places of moisture penetration
4. Replace damaged high voltage cables or components
5. Check and, if necessary, replace the insulation monitoring system sensors

Related codes

Error P2C88 by Vehicle Brand