What does code P1223 mean on BMW vehicles?
The ECU detects an excessively high voltage signal from Accelerator Pedal Position Sensor 2.
OBD-II Code BMW
P1223 — BMW — Pedal Position Sensor 2 High Input
The ECU detects an excessively high voltage signal from Accelerator Pedal Position Sensor 2.
Common symptoms
- Erratic acceleration
- unstable throttle response
Possible causes
- Short circuit to voltage
- damaged wiring
- faulty APP sensor
Initial recommendation
Check wiring harness for shorts and verify pedal sensor output.
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 P1223 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands