What does code P1546 mean?

Q: What does code P1546 mean?

Pedal Position Sensor. P1546 on a BMW indicates that the engine control module (DME) has detected an implausible or missing signal from the accelerator pedal position sensor circuit. The DME compares two redundant sensor signals and sets this code when their voltages do not correlate with each other or with the expected range for the current pedal position.

DTC codes / BMW codes / P1546

P1546 · BMWPedal Position Sensor

P1546 on a BMW indicates that the engine control module (DME) has detected an implausible or missing signal from the accelerator pedal position sensor circuit. The DME compares two redundant sensor signals and sets this code when their voltages do not correlate with each other or with the expected range for the current pedal position.

SystemPowertrain

Code typeBMW specific

SeverityMedium

Fix difficultyIntermediate

AreaVehicle speed, idle control and auxiliary inputs

Guidance is general and written for BMW vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.