Hybrid/EV Battery Pack Current Sensor A Circuit Low

Where it lives

For P0AC1, the sensor sits on the circuit this code reports. The description of P0AC1 reports a fault at the sensor.

Check these first

• Low hybrid battery voltage
• Corrosion or damage at the current sensor
• A wiring fault or short in the sensor circuit
• A power control module fault

What to do next

1. Read battery pack current sensor A data on a scan tool
2. Check the hybrid battery pack voltage and charge
3. Inspect the sensor A wiring and connections
4. Test the power control module output
5. Replace the sensor if the signal stays low
6. Clear the code and retest

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