BMW DTC P1125 – Throttle Position Sensor A and B Circuit Range/Performance Small Error
DTC P1125 meaning on BMW
The DTC P1125 on a BMW indicates an issue with the Throttle Position Sensor A and B Circuit Range/Performance Small Error. This means that the Engine Control Module (ECM) has detected that the signal from the throttle position sensor is outside the expected range or is not performing as it should.
BMW DTC P1125 symptoms
Symptoms of the DTC P1125 on a BMW may include:
- Reduced engine power
- Poor acceleration
- Stalling or rough idling
- Check Engine Light illuminated
BMW DTC P1125 causes
Common causes of the DTC P1125 on a BMW include:
- Faulty throttle position sensor
- Wiring or connector issues in the throttle position sensor circuit
- ECM software or hardware problems
BMW DTC P1125 seriousness
The DTC P1125 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in further damage to the engine or other components.
How to diagnose DTC P1125 on BMW
To diagnose the DTC P1125 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the throttle position sensor and its wiring for any visible damage
- Test the throttle position sensor using a multimeter to check for proper voltage and resistance
- Check for any related ECM software updates or reprogramming
How to fix DTC P1125 on BMW
To fix the DTC P1125 on a BMW, the following steps may be taken:
- Replace the faulty throttle position sensor
- Repair any damaged wiring or connectors in the throttle position sensor circuit
- If necessary, reprogram or replace the ECM
How to erase DTC P1125 on BMW
To erase the DTC P1125 on a BMW, the fault code can be cleared using a diagnostic scanner. After the repair has been completed, the code can be erased to reset the Check Engine Light and monitor the system for any recurring issues.