P1120
Systeem
Powertrain (Engine)
Scanner vereist
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Throttle Position Sensor Out of Range

Understand P1120, common causes, and the right FOXWELL scanner to diagnose it.

TPS signal out of expected range at closed or open throttle.

Veelvoorkomende symptomen

  • Limp mode
  • Hesitation
  • Idle surge

Typische oorzaken

  • Failed throttle position sensor
  • Throttle body wear
  • Wiring at throttle actuator
  • Needs throttle relearn

Welke scanner heb je nodig?

Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Gebruik live data en freeze frame voordat je onderdelen vervangt. ABS-, SRS- en U-codes vereisen meestal een full-system scanner.

Diagnosetips

  • Leg freeze frame vast wanneer de code voor het eerst verschijnt
  • Wis de code pas na het oplossen van de oorzaak
  • Controleer op gerelateerde pending codes
  • Controleer of accuspanning boven 12,4 V is voordat je sensoren suspecteert

Aanbevolen FOXWELL scanners

Veelgestelde vragen

Can I diagnose P1120 with a basic code reader?
P1120 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with P1120?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.