P1125
System
Powertrain (Throttle)
Scanner som krävs
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.

Vanliga symptom

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

Typiska orsaker

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

Vilken scanner behöver du?

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

Använd live-data och freeze frame innan du byter delar. ABS-, SRS- och U-koder kräver oftast en fullsystems-scanner.

Diagnostiktips

  • Spara freeze frame när koden först sätts
  • Rensa koden först efter att orsaken är åtgärdad
  • Kontrollera relaterade väntande koder
  • Verifiera batterispänning över 12,4 V innan du misstänker sensorer

Rekommenderade FOXWELL-scannrar

Vanliga frågor

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.