P1EAC
Hybrid/EV Battery Cell Overvoltage Signal Circuit Performance
P1EAC is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Cell Overvoltage Signal Circuit Performance. Common causes: high voltage battery cell failure, problems with balancing battery cells. Estimated repair cost: $56–1667.
Symptoms
- Reducing the range of an electric vehicle
- Warning messages on the dashboard
- Vehicle power limitation
- The vehicle goes into emergency mode
- Battery charging problems
Causes
- High voltage battery cell failure
- Problems with balancing battery cells
- Open or short circuit in signal circuit
- Battery management module (BMS) malfunction
- Poor contact in the measuring circuit connectors
How to Fix
- Diagnosis of high-voltage battery condition
- Checking signal circuit integrity
- Testing the operation of the battery management module
- Balancing battery cells or replacing faulty cells
- Repair or replace damaged circuit components
Related codes
FAQ
What does the P1EAC code mean?
P1EAC is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Cell Overvoltage Signal Circuit Performance
What causes a P1EAC error code?
The most common causes of P1EAC include: High voltage battery cell failure; Problems with balancing battery cells; Open or short circuit in signal circuit; Battery management module (BMS) malfunction.
How do I fix a P1EAC diagnostic trouble code?
To fix P1EAC: Diagnosis of high-voltage battery condition. Checking signal circuit integrity. Testing the operation of the battery management module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1EAC?
Yes, but get it checked soon
How much does it cost to fix P1EAC?
The estimated repair cost for P1EAC is $56–1667. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat