Drive Motor B Position Sensor Circuit Range/Performance

Where it lives

For P0A46, the part to look at first is the sensor named here.

Check these first

• A drive motor B position sensor that reads out of range
• A short or open in the sensor circuit
• A loose or corroded sensor connector
• Electrical interference on the sensor signal
• A control module fault

What to do next

1. Read drive motor B position sensor data on a scan tool
2. Test the sensor circuit
3. Inspect the sensor connector
4. Check for electrical interference
5. Replace the sensor if the reading drifts
6. Clear the code and retest

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