P0221
Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance
P0221 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance. Common causes: throttle/pedal position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $33–111.
Symptoms
- Rough idle
- Dips when pressing the gas pedal
- Increased fuel consumption
- Check Engine Light Illuminates
- Limiting engine power (limp home mode)
Causes
- Throttle/pedal position sensor malfunction
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Contamination or mechanical damage to the sensor
- ECU problems (rare)
How to Fix
- Visually check the wiring harness and connectors for damage.
- Clean the contacts of the sensor and connector
- Check sensor resistance (compare with technical specifications)
- Check the reference voltage and sensor signal using a multimeter
- If necessary, replace the throttle/pedal position sensor
- Clear the error and check if it comes back
Related codes
Error P0221 by Vehicle Brand
FAQ
What does the P0221 code mean?
P0221 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance
What causes a P0221 error code?
The most common causes of P0221 include: Throttle/pedal position sensor malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; Contamination or mechanical damage to the sensor.
How do I fix a P0221 diagnostic trouble code?
To fix P0221: Visually check the wiring harness and connectors for damage.. Clean the contacts of the sensor and connector. Check sensor resistance (compare with technical specifications). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0221?
Limited driving only, diagnose soon
How much does it cost to fix P0221?
The estimated repair cost for P0221 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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