Lost Communication With Throttle/Pedal Position Sensor/Switch F

Where it lives

For U0683, the description names the sensor as the part involved.

Check these first

• Throttle position sensor F no longer answering on the bus
• A chafed or open wire in the sensor F circuit
• Water or corrosion in the sensor F connector
• An internal failure in the sensor F element
• A weak reference voltage or ground at sensor F

What to do next

1. Check reference voltage and ground at throttle position sensor F
2. Inspect the sensor F connector for water or corrosion
3. Test the sensor F signal wire for opens and shorts
4. Watch sensor F live data and compare with the other channels
5. Replace the throttle position sensor F if the fault returns
6. Clear the code and retest

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