P1515
System
Powertrain (Throttle)
Scanner som krävs
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Electronic Throttle Control Motor Circuit Open (GM)

Understand P1515, common causes, and the right FOXWELL scanner to diagnose it.

Open circuit in electronic throttle control motor — no throttle plate movement commanded.

Vanliga symptom

  • No throttle response
  • Engine power reduced
  • Idle only operation

Typiska orsaker

  • Failed throttle body motor
  • Open harness to throttle
  • Connector not fully latched

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 P1515 with a basic code reader?
P1515 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 P1515?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.