P1EA5
Hybrid/EV Battery Interface Control Module 4 5 V Reference Circuit
P1EA5 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 4 5 V Reference Circuit. Common causes: open or short circuit in the reference voltage circuit, battery management module malfunction. Estimated repair cost: $56–222.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Incorrect battery level readings
- Problems with switching between operating modes
- Reduced performance of the hybrid system
Causes
- Open or short circuit in the reference voltage circuit
- Battery management module malfunction
- Module power problems
- Corrosion of contacts or connectors
- Wiring harness damage
How to Fix
- Check the continuity of the reference voltage circuit
- Measure voltage at various points in the circuit
- Check connectors and contacts for corrosion
- Test the battery management module
- If necessary, replace the module or damaged wires
Related codes
FAQ
What does the P1EA5 code mean?
P1EA5 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 4 5 V Reference Circuit
What causes a P1EA5 error code?
The most common causes of P1EA5 include: Open or short circuit in the reference voltage circuit; Battery management module malfunction; Module power problems; Corrosion of contacts or connectors.
How do I fix a P1EA5 diagnostic trouble code?
To fix P1EA5: Check the continuity of the reference voltage circuit. Measure voltage at various points in the circuit. Check connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1EA5?
Limited driving only, diagnose soon
How much does it cost to fix P1EA5?
The estimated repair cost for P1EA5 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat