What does code P1121 mean on BMW vehicles?
The accelerator pedal position sensor 1 signal is out of range or performing incorrectly.
OBD-II Code BMW
P1121 — BMW — Pedal Position Sensor 1 Range/Performance Problem
The accelerator pedal position sensor 1 signal is out of range or performing incorrectly.
Common symptoms
- Limp mode
- irregular throttle response
Possible causes
- Faulty pedal position sensor
- wiring issues
Initial recommendation
Diagnose pedal position sensor 1 operation and wiring integrity.
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
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