Throttle/Pedal Position Sensor/Switch B Circuit Intermittent

Where it lives

For P0224, the circuit described runs through the sensor. The description of P0224 reports a fault at the sensor.

Check these first

• A loose throttle or pedal position sensor B connector
• Chafed wiring on the sensor B circuit
• A failing sensor B element
• A sticky throttle body or pedal assembly
• A poor ground for sensor B

What to do next

1. Wiggle test the sensor B harness on live data
2. Inspect the sensor B wiring for chafing
3. Clean the throttle body and pedal assembly
4. Replace sensor B if the signal drops out
5. Clean the connector and ground
6. Clear the code and retest

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