P1E9E
Hybrid/EV Battery Interface Control Module 3 Cell Balancing Circuit
P1E9E is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 3 Cell Balancing Circuit. Common causes: balancing control module malfunction, open or short circuit in balancing circuits. Estimated repair cost: $56–278.
Symptoms
- Reduced electric vehicle range
- Increased charging time
- Battery warning on instrument panel
- Uneven battery discharge
- Reduced overall vehicle performance
Causes
- Balancing control module malfunction
- Open or short circuit in balancing circuits
- Failure of one or more battery cells
- Problems with the control module software
- Corrosion of contacts in the balancing circuit
How to Fix
- Diagnostics of battery cell condition
- Checking the integrity of balancing circuits
- Testing the balancing control module
- Replacing faulty system components
- Control Module Software Update
Related codes
FAQ
What does the P1E9E code mean?
P1E9E is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 3 Cell Balancing Circuit
What causes a P1E9E error code?
The most common causes of P1E9E include: Balancing control module malfunction; Open or short circuit in balancing circuits; Failure of one or more battery cells; Problems with the control module software.
How do I fix a P1E9E diagnostic trouble code?
To fix P1E9E: Diagnostics of battery cell condition. Checking the integrity of balancing circuits. Testing the balancing control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E9E?
Limited driving only, diagnose soon
How much does it cost to fix P1E9E?
The estimated repair cost for P1E9E is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat