DTC P0121 BMW
Throttle Pedal Position Sensor Signal Range Performance
Throttle Pedal Position Sensor Signal Range Performance
Description
Engine started; then immediately following a condition where the engine was running under at off-idle, the DME detected the TP sensor signal indicated the throttle did not return to its previous closed position during the Rationality test. The engine spee
Cause and Solution
Throttle plate is binding, dirty or sticking
Throttle valve is damaged or dirty
Throttle valve control module is faulty
TP sensor signal circuit open (inspect wiring connector)
Video Guide
Diagnostic Info
- DTC Code: P0121
- Brand: BMW