P0E45
Hybrid/EV Battery Pack Voltage Sense E Circuit Range/Performance
P0E45 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Voltage Sense E Circuit Range/Performance. Common causes: open or short circuit in the measurement circuit, battery voltage sensor fault. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- The car goes into emergency mode
- Unusual battery level readings
- Problems with charging a high-voltage battery
Causes
- Open or short circuit in the measurement circuit
- Battery voltage sensor fault
- Damage to connectors or corrosion of contacts
- Problems with the Battery Monitoring Module (BMS)
- High voltage battery fault
How to Fix
- Check the integrity of the voltage measurement circuit
- Inspect and clean all connectors in the circuit
- Check voltage sensor readings
- Test the Battery Management Module (BMS)
- Repair only from an authorized dealer
Related codes
Error P0E45 by Vehicle Brand
FAQ
What does the P0E45 code mean?
P0E45 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Voltage Sense E Circuit Range/Performance
What causes a P0E45 error code?
The most common causes of P0E45 include: Open or short circuit in the measurement circuit; Battery voltage sensor fault; Damage to connectors or corrosion of contacts; Problems with the Battery Monitoring Module (BMS).
How do I fix a P0E45 diagnostic trouble code?
To fix P0E45: Check the integrity of the voltage measurement circuit. Inspect and clean all connectors in the circuit. Check voltage sensor readings. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0E45?
Do not drive — repair immediately
How much does it cost to fix P0E45?
The estimated repair cost for P0E45 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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