P0C76
Hybrid/EV Battery System Discharge Time Too Long
P0C76 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery System Discharge Time Too Long. Common causes: degradation of high-voltage battery cells, problems with the battery thermal management system. Estimated repair cost: $167–1333.
Symptoms
- Reduced motor power
- Reducing electric range
- More frequent engine starts in hybrid models
- Warning messages on the instrument panel
- Reduced efficiency of regenerative braking
Causes
- Degradation of high-voltage battery cells
- Problems with the battery thermal management system
- Malfunction of voltage/temperature sensors
- Problems with the Battery Management System (BMS)
- High internal battery resistance
How to Fix
- Diagnosis of high-voltage battery condition
- Checking the battery cooling/heating system
- Battery Sensor Testing
- Battery Management System (BMS) Software Update
- Replacing degraded battery modules
Related codes
Error P0C76 by Vehicle Brand
FAQ
What does the P0C76 code mean?
P0C76 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery System Discharge Time Too Long
What causes a P0C76 error code?
The most common causes of P0C76 include: Degradation of high-voltage battery cells; Problems with the battery thermal management system; Malfunction of voltage/temperature sensors; Problems with the Battery Management System (BMS).
How do I fix a P0C76 diagnostic trouble code?
To fix P0C76: Diagnosis of high-voltage battery condition. Checking the battery cooling/heating system. Battery Sensor Testing. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C76?
Limited driving only, diagnose soon
How much does it cost to fix P0C76?
The estimated repair cost for P0C76 is $167–1333. Actual cost depends on your vehicle, location, and labor rates.
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