Auto Systems and Repair: P0224 - OBD-II Trouble Code

OBD II Fault Code

  • OBD II P0224

Fault Code Definition
Code P0224 is triggered when the voltage signal from the Throttle/Pedal Position Sensor/Switch to the PCM is erratic or intermittent.

Symptoms

  • Check Engine Light will illuminate
  • In many cases, no abnormal symptoms may be noticed
  • In some cases, the engine may be hard starting or may not start at all
  • In some cases, the engine may hesitate during acceleration

Common Problems That Trigger the P0224 Code

  • Defective Throttle or Pedal Position Sensor or Switch
  • Torn or jammed floor mats
  • Faulty or corroded Throttle/Pedal Position Sensor wiring, or connections

Common Misdiagnoses

  • Throttle Position Sensor is replaced when the real problem is a dirty, carbon-filled Throttle Body
  • Throttle or Pedal Position Sensor is replaced when the real problem is a poor connection or chafed wiring
  • Pedal Position Sensor is replaced when the real problem is torn or damaged floor mats