OBD-II Code Volkswagen

P1172 — Volkswagen — Throttle Actuation Potentiometer Signal 2 Too Low

The ECU detects a voltage signal from throttle potentiometer 2 that is lower than specification.

Brand Volkswagen
System Engine
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1172 mean on Volkswagen vehicles?

The ECU detects a voltage signal from throttle potentiometer 2 that is lower than specification.

Common symptoms

  • Limp mode activation
  • unresponsive accelerator pedal

Possible causes

  • Damaged throttle potentiometer
  • short to ground
  • wiring fault

Initial recommendation

Inspect throttle actuator and wiring, test potentiometer signal.

Safety notice

This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine Volkswagen code P1172 with your vehicle's actual symptoms for more complete diagnostic guidance.

Go to the app View more brands