Generator Position Sensor Circuit Range/Performance

Where it lives

For P0A4C, the description names the sensor as the part involved.

Check these first

• A generator position sensor that reads out of range
• A short or open in the sensor circuit
• Electrical interference on the sensor signal
• A control module fault

What to do next

1. Read generator position sensor data on a scan tool
2. Test the sensor circuit for short or open
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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