P0C84
Hybrid/EV Battery Temperature Sensor H Circuit High
P0C84 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor H Circuit High. Common causes: battery temperature sensor fault h, open or short circuit in the sensor circuit. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Hybrid system power reduction
- Deterioration in fuel consumption
- The battery is overheating
- Possible transition to emergency mode
Causes
- Battery temperature sensor fault H
- Open or short circuit in the sensor circuit
- Poor contacts in sensor circuit connectors
- Problems with the hybrid control module (HCM)
- Corrosion of contacts in the sensor circuit
How to Fix
- Check the resistance of the temperature sensor
- Diagnose the sensor circuit for opens and short circuits
- Check the condition of connectors and contacts
- Flash or replace the hybrid system control module if necessary
- Replace faulty temperature sensor
Related codes
Error P0C84 by Vehicle Brand
FAQ
What does the P0C84 code mean?
P0C84 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor H Circuit High
What causes a P0C84 error code?
The most common causes of P0C84 include: Battery temperature sensor fault H; Open or short circuit in the sensor circuit; Poor contacts in sensor circuit connectors; Problems with the hybrid control module (HCM).
How do I fix a P0C84 diagnostic trouble code?
To fix P0C84: Check the resistance of the temperature sensor. Diagnose the sensor circuit for opens and short circuits. Check the condition of connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C84?
Yes, but get it checked soon
How much does it cost to fix P0C84?
The estimated repair cost for P0C84 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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