What does code P1543 mean on Audi vehicles?
The throttle actuation potentiometer signal is too low.
OBD-II Code Audi
P1543 — Audi — Throttle Actuation Potentiometer Signal Too Low
The throttle actuation potentiometer signal is too low.
Common symptoms
- Poor throttle response.
Possible causes
- Open circuit.
Initial recommendation
Inspect throttle sensor.
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 Audi code P1543 with your vehicle's actual symptoms for more complete diagnostic guidance.
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