P1E4E
Hybrid/Electric Vehicle Battery 35 Circuit
P1E4E is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 35 Circuit. Common causes: degradation of battery cell no. 35, poor contact in cell connectors. Estimated repair cost: $222–889.
Symptoms
- Reduced motor power
- Increased fuel consumption (in hybrids)
- The Check Engine or Hybrid light comes on
- Reduced electric range
- Spontaneous switching to a gasoline engine (in hybrids)
Causes
- Degradation of battery cell No. 35
- Poor contact in cell connectors
- Damage to the wiring harness to the cell
- Faulty balancing module BMS
- Cell short circuit or open circuit
How to Fix
- Single cell voltage diagnostics
- Checking contacts and wiring integrity
- Testing the BMS balancing device
- Replacing a faulty battery cell
- Flashing the battery management module if necessary
Related codes
FAQ
What does the P1E4E code mean?
P1E4E is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 35 Circuit
What causes a P1E4E error code?
The most common causes of P1E4E include: Degradation of battery cell No. 35; Poor contact in cell connectors; Damage to the wiring harness to the cell; Faulty balancing module BMS.
How do I fix a P1E4E diagnostic trouble code?
To fix P1E4E: Single cell voltage diagnostics. Checking contacts and wiring integrity. Testing the BMS balancing device. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E4E?
Limited driving only, diagnose soon
How much does it cost to fix P1E4E?
The estimated repair cost for P1E4E is $222–889. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat