Throttle/Pedal Position Sensor/Switch C/G Voltage Correlation

Where it lives

For P2AD1, the description names the sensor as the part involved.

Check these first

• A failed throttle or pedal position sensor C or G
• A mismatch between throttle position sensor C and sensor G signals
• A corroded throttle actuator connector affecting sensors C and G
• Wear in the throttle body skewing the sensor C and G track

What to do next

1. Scan all modules and compare throttle position sensor C and G voltages through the pedal sweep
2. Inspect the throttle and pedal sensor connectors for corrosion or a loose pin
3. Test the sensor C and G signal circuits for open and short faults
4. Check the throttle body for mechanical wear or sticking
5. Replace the throttle body assembly if sensor C and G cannot be correlated
6. Clear the code and retest

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