P1125
Système
Powertrain (Throttle)
Scanner requis
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.

Symptômes courants

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

Causes typiques

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

Quel scanner choisir ?

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

Utilisez les données en direct et le freeze frame avant de remplacer des pièces. Les codes ABS, SRS et U nécessitent souvent un scanner mult systèmes.

Conseils de diagnostic

  • Enregistrez le freeze frame lors de la première apparition du code
  • Effacez le code uniquement après avoir corrigé la cause
  • Vérifiez les codes en attente associés
  • Vérifiez que la batterie est au-dessus de 12,4 V avant de suspecter un capteur

Scanners FOXWELL recommandés

Questions fréquentes

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.