P1125
Systeem
Powertrain (Throttle)
Scanner vereist
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Throttle Actuator Control Motor Circuit Open (GM)

Understand P1125, common causes, and the right FOXWELL scanner to diagnose it.

GM electronic throttle actuator motor circuit open — throttle body may not respond to pedal input.

Veelvoorkomende symptomen

  • Reduced engine power
  • Limp mode
  • Idle too high or too low

Typische oorzaken

  • Failed throttle body motor
  • Open circuit in TAC harness
  • Connector at throttle body
  • Blown ETCS fuse

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 P1125 with a basic code reader?
P1125 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 P1125?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.