P0220
Throttle/Pedal Position Sensor/Switch B Circuit
P0220 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch B Circuit. Common causes: wear or failure of the throttle position sensor, damage to the wiring harness to the sensor. Estimated repair cost: $33–222.
Symptoms
- Emergency mode with limited power
- Unstable or freezing engine speed
- Jerks and dips when pressing the gas
- Check Engine Light Illuminates
- Inability to accelerate normally
Causes
- Wear or failure of the throttle position sensor
- Damage to the wiring harness to the sensor
- Oxidation or poor contact in the sensor connector
- Throttle valve malfunction
- ECU malfunction (rare)
How to Fix
- Read all error codes and check for A-channel codes (P0120)
- Check the supply voltage and ground of the sensor
- Measure the output voltage of channel B at different pedal positions
- Check the wiring harness for opens and shorts
- Clean the sensor connector
- If necessary, replace the throttle position sensor or accelerator pedal
Related codes
Error P0220 by Vehicle Brand
FAQ
What does the P0220 code mean?
P0220 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch B Circuit
What causes a P0220 error code?
The most common causes of P0220 include: Wear or failure of the throttle position sensor; Damage to the wiring harness to the sensor; Oxidation or poor contact in the sensor connector; Throttle valve malfunction.
How do I fix a P0220 diagnostic trouble code?
To fix P0220: Read all error codes and check for A-channel codes (P0120). Check the supply voltage and ground of the sensor. Measure the output voltage of channel B at different pedal positions. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0220?
Yes, but get it checked soon
How much does it cost to fix P0220?
The estimated repair cost for P0220 is $33–222. Actual cost depends on your vehicle, location, and labor rates.
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