P1E93
Hybrid/EV Battery Interface Control Module 1 5 V Reference Circuit
P1E93 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 1 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
- Reduced performance of the hybrid system
- Inability to charge the battery
- Unstable operation of the hybrid system
- Error messages on the dashboard
Causes
- Open or short circuit in the reference voltage circuit
- Battery management module malfunction
- Wiring Harness Problems
- Corrosion or poor contact in connectors
- Failure of sensors using reference voltage
How to Fix
- Check the continuity of the 5 V reference voltage circuit
- Inspect connectors and wiring harness for damage
- Check the battery management module for errors
- Replace faulty circuit components
- Repair only from an authorized dealer
Related codes
FAQ
What does the P1E93 code mean?
P1E93 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 1 5 V Reference Circuit
What causes a P1E93 error code?
The most common causes of P1E93 include: Open or short circuit in the reference voltage circuit; Battery management module malfunction; Wiring Harness Problems; Corrosion or poor contact in connectors.
How do I fix a P1E93 diagnostic trouble code?
To fix P1E93: Check the continuity of the 5 V reference voltage circuit. Inspect connectors and wiring harness for damage. Check the battery management module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E93?
Do not drive — repair immediately
How much does it cost to fix P1E93?
The estimated repair cost for P1E93 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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