P0C81
Hybrid/EV Battery Temperature Sensor H Circuit
P0C81 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor H Circuit. Common causes: open or short circuit in the sensor circuit, temperature sensor fault h. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Reducing electric range
- Battery overheating in severe cases
- Activation of emergency operation
Causes
- Open or short circuit in the sensor circuit
- Temperature sensor fault H
- Poor contact in the sensor connector
- Corroded contacts or damaged wiring
- Problems in the battery management module
How to Fix
- Check the integrity of the sensor circuit
- Test the resistance of the temperature sensor
- Inspect connectors and wiring harness for damage
- If necessary, replace the temperature sensor
- Check and reflash the battery management module
Related codes
Error P0C81 by Vehicle Brand
FAQ
What does the P0C81 code mean?
P0C81 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor H Circuit
What causes a P0C81 error code?
The most common causes of P0C81 include: Open or short circuit in the sensor circuit; Temperature sensor fault H; Poor contact in the sensor connector; Corroded contacts or damaged wiring.
How do I fix a P0C81 diagnostic trouble code?
To fix P0C81: Check the integrity of the sensor circuit. Test the resistance of the temperature sensor. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C81?
Limited driving only, diagnose soon
How much does it cost to fix P0C81?
The estimated repair cost for P0C81 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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