OBD-II Code Volkswagen

P1631 — Volkswagen — Accelerator Pedal Position Sensor 1 Signal Too High

The ECU detects that accelerator pedal position (APP) sensor 1 signal voltage is higher than the specified range.

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

What does code P1631 mean on Volkswagen vehicles?

The ECU detects that accelerator pedal position (APP) sensor 1 signal voltage is higher than the specified range.

Common symptoms

  • Erratic acceleration
  • limp mode

Possible causes

  • Faulty APP sensor
  • wiring short to positive

Initial recommendation

Diagnose accelerator pedal sensor 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 P1631 with your vehicle's actual symptoms for more complete diagnostic guidance.

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