What does code P1543 mean on BMW vehicles?
The ECU detects a fault condition in the accelerator pedal position sensor.
OBD-II Code BMW
P1543 — BMW — Pedal Position Sensor
The ECU detects a fault condition in the accelerator pedal position sensor.
Common symptoms
- Poor throttle response
Possible causes
- Faulty APP sensor
Initial recommendation
Diagnose accelerator pedal position sensor and replace if faulty.
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 BMW code P1543 with your vehicle's actual symptoms for more complete diagnostic guidance.
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