Hybrid/EV Battery Temperature Sensor C Circuit Low

Where it lives

For P0ACC, the sensor sits on the circuit this code reports. The description of P0ACC reports a fault at the sensor.

Check these first

• A battery pack that is cold or not warming
• A failed battery temperature sensor C
• Wiring or electrical problems in the sensor C circuit
• A sensor C installed incorrectly

What to do next

1. Read battery temperature sensor C data on a scan tool
2. Check the battery pack temperature and warming system
3. Inspect the sensor C wiring and connections
4. Verify the sensor C installation
5. Replace the sensor if the signal stays low
6. Clear the code and retest

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