What does code P1639 mean on Audi vehicles?
The correlation or range of accelerator pedal position sensors 1 and 2 is incorrect.
OBD-II Code Audi
P1639 — Audi — Accelerator Pedal Position Sensors 1 and 2 Range/Performance
The correlation or range of accelerator pedal position sensors 1 and 2 is incorrect.
Common symptoms
- Engine enters limp mode.
Possible causes
- Misaligned or faulty sensors.
Initial recommendation
Diagnose accelerator pedal position sensors.
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.
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