P0C85
Hybrid/EV Battery Temperature Sensor H Circuit Intermittent/Erratic
P0C85 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor H Circuit Intermittent/Erratic. Common causes: faulty battery temperature sensor h, damaged or corroded electrical connections. Estimated repair cost: $22–89.
Symptoms
- Hybrid/electric system power reduction
- Battery warning on dashboard
- Extended charging time (for PHEV/EV)
- System transition to emergency mode
- Unstable battery temperature readings
Causes
- Faulty battery temperature sensor H
- Damaged or corroded electrical connections
- Open or short circuit in wiring harness
- Problems with sensor connectors
- Battery management module (BMS) malfunction
How to Fix
- Check the condition of the sensor connectors and connections
- Test the resistance and voltage of the temperature sensor
- Check the integrity of the sensor wiring harness
- Replace the faulty temperature sensor if necessary
- Scan the battery control module for additional trouble codes
Related codes
Error P0C85 by Vehicle Brand
FAQ
What does the P0C85 code mean?
P0C85 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor H Circuit Intermittent/Erratic
What causes a P0C85 error code?
The most common causes of P0C85 include: Faulty battery temperature sensor H; Damaged or corroded electrical connections; Open or short circuit in wiring harness; Problems with sensor connectors.
How do I fix a P0C85 diagnostic trouble code?
To fix P0C85: Check the condition of the sensor connectors and connections. Test the resistance and voltage of the temperature sensor. Check the integrity of the sensor wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C85?
Limited driving only, diagnose soon
How much does it cost to fix P0C85?
The estimated repair cost for P0C85 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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