What does code P1121 mean on Lexus vehicles?
The accelerator pedal position sensor signal is outside the expected operating range.
OBD-II Code Lexus
P1121 — Lexus — Accelerator Pedal Position Sensor Range/Performance Problem
The accelerator pedal position sensor signal is outside the expected operating range.
Common symptoms
- Poor throttle response
- reduced power mode
Possible causes
- Miscalibrated APP sensor
- contamination
- ECM issues
Initial recommendation
Check APP sensor calibration and inspect sensor condition.
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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