Hybrid/EV Battery Temperature Sensor H Circuit Low

Where it lives

For P0C83, the circuit described runs through the sensor. The description of P0C83 reports a fault at the sensor.

Check these first

• A short to ground in the sensor H circuit
• A weak sensor H thermistor output
• Corrosion at the sensor H connector
• A low reference at the sensor H connector
• A partly broken sensor H wire

What to do next

1. Read hybrid battery temperature sensor H on a scan tool
2. Inspect the sensor H connector for corrosion
3. Test the sensor H circuit for a short to ground
4. Measure the sensor H resistance against spec
5. Replace sensor H if the reading stays low
6. Clear the code and retest

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