P0E4A

Symptoms

• The Check Engine or Hybrid light comes on
• Hybrid system power reduction
• Incorrect battery level display
• Problems with charging a high-voltage battery
• The vehicle goes into emergency mode

Causes

• Battery voltage sensor fault
• Damaged or corroded sensor circuit wiring
• Poor contact in the measuring circuit connectors
• Malfunction of the hybrid system control module
• Problems with high voltage battery

How to Fix

1. Check the status of the battery voltage sensor
2. Test the sensor circuit for open and short circuit
3. Check connectors and connections in the measurement circuit
4. Scan the hybrid system module for additional fault codes
5. If necessary, replace the voltage sensor or repair the wiring
6. Repair only from an authorized dealer

Related codes

Error P0E4A by Vehicle Brand