P0ECC
Hybrid/EV Battery E Voltage
P0ECC is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery E Voltage. Common causes: degradation of high-voltage battery cells, battery management system (bms) malfunction. Estimated repair cost: $167–1111.
Symptoms
- Reduced vehicle power
- Warning messages on the dashboard
- Limitation of operation in electric mode
- Increased fuel consumption (in hybrids)
- Battery charging problems
Causes
- Degradation of high-voltage battery cells
- Battery management system (BMS) malfunction
- Problems with balancing battery cells
- High voltage circuit damage
- Battery contact corrosion
How to Fix
- High voltage battery diagnostics
- Checking the Battery Management System (BMS)
- Cell Balancing Testing
- Inspect the high voltage circuit for damage
- Replacing damaged battery cells
Related codes
Error P0ECC by Vehicle Brand
FAQ
What does the P0ECC code mean?
P0ECC is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery E Voltage
What causes a P0ECC error code?
The most common causes of P0ECC include: Degradation of high-voltage battery cells; Battery management system (BMS) malfunction; Problems with balancing battery cells; High voltage circuit damage.
How do I fix a P0ECC diagnostic trouble code?
To fix P0ECC: High voltage battery diagnostics. Checking the Battery Management System (BMS). Cell Balancing Testing. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0ECC?
Limited driving only, diagnose soon
How much does it cost to fix P0ECC?
The estimated repair cost for P0ECC is $167–1111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat