Drive Motor B Current Sensor Circuit

Where it lives

For P0A55, the sensor sits on the circuit this code reports. The description of P0A55 reports a fault at the sensor.

Check these first

• A drive motor B current sensor that reads off spec
• An open or short in the sensor wiring
• Corrosion at the current sensor connector
• Low battery voltage affecting the sensor

What to do next

1. Read drive motor B current sensor data on a scan tool
2. Test the sensor circuit for an open or short
3. Inspect the connector for corrosion
4. Check battery voltage and charge if low
5. Replace the current sensor if the signal is off spec
6. Clear the code and retest

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