P0C91
Hybrid/EV Battery Temperature Sensor J Circuit Intermittent/Erratic
P0C91 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor J Circuit Intermittent/Erratic. Common causes: open or short circuit in the sensor circuit, temperature sensor fault j. Estimated repair cost: $17–56.
Symptoms
- Hybrid system power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced battery efficiency
- Incorrect battery temperature readings
Causes
- Open or short circuit in the sensor circuit
- Temperature sensor fault J
- Poor contact in the sensor connector
- Wiring harness damage
- Problems with the hybrid system ECU
How to Fix
- Check the continuity of the temperature sensor circuit
- Test sensor resistance
- Inspect and clean the connector contacts
- Check wiring harness for damage
- If necessary, replace temperature sensor J
Related codes
Error P0C91 by Vehicle Brand
FAQ
What does the P0C91 code mean?
P0C91 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor J Circuit Intermittent/Erratic
What causes a P0C91 error code?
The most common causes of P0C91 include: Open or short circuit in the sensor circuit; Temperature sensor fault J; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P0C91 diagnostic trouble code?
To fix P0C91: Check the continuity of the temperature sensor circuit. Test sensor resistance. Inspect and clean the connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C91?
Yes, but get it checked soon
How much does it cost to fix P0C91?
The estimated repair cost for P0C91 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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