BMW DTC P11A4 – Throttle/Pedal Position Sensor/Switch Supply Voltage Circuit Low (Bank 2)
DTC P11A4 meaning on BMW
The DTC P11A4 error code on a BMW indicates an issue with the Throttle/Pedal Position Sensor/Switch Supply Voltage Circuit being too low in Bank 2 of the vehicle’s engine.
BMW DTC P11A4 symptoms
Symptoms of the DTC P11A4 error code on a BMW may include:
- Reduced engine performance
- Engine stalling or hesitation
- Difficulty accelerating
- Illuminated Check Engine Light
BMW DTC P11A4 causes
Common causes of the DTC P11A4 error code on a BMW include:
- Faulty Throttle/Pedal Position Sensor/Switch
- Wiring or connection issues in the sensor circuit
- Low voltage supply to the sensor
BMW DTC P11A4 seriousness
The DTC P11A4 error code should be addressed promptly as it can lead to drivability issues and potential safety concerns if the throttle response is affected. Ignoring this code may result in further damage to the vehicle’s engine components.
How to diagnose DTC P11A4 on BMW
To diagnose the DTC P11A4 error code on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
- Inspect the Throttle/Pedal Position Sensor/Switch and its wiring for any visible damage or corrosion.
- Check the voltage supply to the sensor using a multimeter to ensure it is within the specified range.
- If necessary, perform a continuity test on the sensor circuit to identify any open or short circuits.
How to fix DTC P11A4 on BMW
To fix the DTC P11A4 error code on a BMW, you can try the following solutions:
- Replace the faulty Throttle/Pedal Position Sensor/Switch with a new one.
- Repair any damaged wiring or connections in the sensor circuit.
- Ensure the voltage supply to the sensor is correct and stable.
- Clear the fault codes using a diagnostic scanner after making the necessary repairs.
How to erase DTC P11A4 on BMW
To erase the DTC P11A4 error code on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer memory. Once the repairs have been made to address the underlying issue, clearing the fault codes will reset the Check Engine Light and ensure the system is rechecked for any new faults.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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