P0123 OBD II Trouble Code Throttle Position Sensor/Switch A Circuit High Input : OBD-II Trouble Code

Symptoms of P0123 OBD II Trouble Code

  • Rough idle
  • High idle
  • Surging
  • other symptoms may also be present

Common Causes of P0123 OBD II Trouble Code

  • TPS not mounted securely
  • TPS circuit short to ground or another wire
  • Faulty TPS
  • Damaged computer (PCM)