P0229 OBD II Trouble Code Throttle Position Sensor/Switch C Circuit Intermittent

Symptoms of P0229 OBD II Trouble Code

  • Hesitation upon acceleration
  • Black smoke from engine exhaust (especially on start up)
  • Delayed engine startup (particularly on cold start)
  • Diminished fuel efficiency
  • Stored emissions related codes may accompany a P0229

Common Causes of P0229 OBD II Trouble Code

  • Defective or misadjusted TPS
  • Open or shorted TPS "C" wiring or connectors
  • Binding or damaged throttle plate
  • Bad PCM or a PCM programming error

Severity of P0229 OBD II Trouble Code

The TPS plays an important role in engine drivability, therefore a stored code P0229 should be addressed with some degree of urgency.