OBD-II Code Volkswagen

P1173 — Volkswagen — Throttle Actuation Potentiometer Signal 2 Too High

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

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

What does code P1173 mean on Volkswagen vehicles?

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

Common symptoms

  • Limp mode activation
  • erratic throttle response

Possible causes

  • Faulty throttle potentiometer
  • short to positive
  • wiring issues

Initial recommendation

Diagnose throttle actuator signals and inspect wiring.

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 P1173 with your vehicle's actual symptoms for more complete diagnostic guidance.

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