OBD-II FAULT CODE
P0220

Throttle/Petal Position Sensor/Switch B Circuit Malfunction

Meaning, symptoms, likely causes, diagnostic checks and repair guidance for P0220.

PowertrainSystem
Throttle / pedal sensorCategory
HighSeverity
  • 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
  • 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
  • Clean throttle body if appropriate, repair wiring, perform throttle relearn, replace failed sensor/body after testing
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Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.