OBD codes / P0122

P0122

Moderate

Throttle/Pedal Position Sensor A Circuit Low

Get it looked at soon to avoid further wear.

Likely causes

  • faulty throttle position sensor
  • wiring short to ground
  • connector fault

Common fixes

  • inspect wiring and connector
  • replace the TPS/throttle body

Seeing P0122 on your car? Get a diagnosis specific to your exact year, make and model.

Diagnose P0122 for my vehicle

Generic OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.