Error code

OBD2 P0224

OBD2P0224
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Throttle/Pedal Position Sensor/Switch 'B' Circuit Intermittent.

Severity

moderateCan drive, but symptoms may affect performance and safety.

Summary

P0224 indicates an intermittent issue with the throttle position sensor or accelerator pedal position sensor B circuit on your vehicle.

Symptoms

  • Check Engine light is illuminated
  • Hard starting, no-starting conditions
  • Poor acceleration and power loss
  • Rough idling and hesitation upon acceleration

Common Causes

  • Damaged or corroded wiring and connectors
  • Defective throttle position sensor (TPS) or pedal sensors
  • Mal-adjusted TPS sensors
  • Carbon deposits in the throttle body impeding movement
  • Mechanical wear in the TPS sensor or throttle body

Diagnosis

  1. Check for correct adjustment of the TPS sensor
  2. Inspect wiring and connectors for damage or corrosion
  3. Test sensors' output with a suitable scanner
  4. Clean throttle body if carbon deposits are present

Fixes

  • Replace defective TPS or pedal sensors as needed.

FAQ

What should I do if the code persists after cleaning and adjusting?

If the issue continues, there may be an intermittent fault that needs further diagnosis.

Can I drive with this code?

You can drive but expect poor performance and potential safety issues due to symptoms like hard starting or rough idling.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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