OBD-II FAULT CODE
P0222
Throttle/Petal Position Sensor/Switch B Circuit Low Input
Meaning, symptoms, likely causes, diagnostic checks and repair guidance for P0222.
- Check Engine light
- Poor drivability or reduced fuel economy depending on fault
- Reduced power / limp mode possible
- Hesitation or unstable idle
- Dirty throttle body
- Faulty throttle/pedal position sensor
- Wiring/connector fault
- Adaptation needed
- Low signal voltage
- Scan all modules and record freeze-frame data before clearing codes
- Check battery voltage and related fuses
- Inspect throttle body and connector
- Check sensor correlation data with scan tool
- Check sensor reference voltage, ground and signal voltage
- Clean throttle body if appropriate, repair wiring, perform throttle relearn, replace failed sensor/body after testing
- Repair poor ground/power feed or replace confirmed faulty sensor
Related Codes
Need more help?
Search manuals, wiring diagrams and technical service bulletins.
Not sure what to do next?
Get step-by-step instructions and professional repair information.
Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.