Hybrid/EV Battery Temperature Sensor J Circuit

Where it lives

For P0C8D, the sensor sits on the circuit this code reports. The description of P0C8D reports a fault at the sensor.

Check these first

• A sensor J thermistor that reads off from the pack
• Corrosion in the sensor J connector
• A short or open in the sensor J signal wire
• A break in the sensor J ground wire
• A battery management system fault on the sensor J channel

What to do next

1. Read hybrid battery temperature sensor J on a scan tool
2. Compare sensor J against the other pack sensors
3. Inspect the sensor J connector for corrosion
4. Test the sensor J circuit for opens and shorts
5. Replace sensor J if its reading is off
6. Clear the code and retest

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