P11A3 – BMW DTC

BMW DTC P11A3 – Throttle/Pedal Position Sensor/Switch Supply Voltage Circuit High (Bank 2)

DTC P11A3 meaning on BMW

The Diagnostic Trouble Code (DTC) P11A3 for BMW indicates an issue with the Throttle/Pedal Position Sensor/Switch Supply Voltage Circuit High on Bank 2. This means that the voltage level in the circuit that supplies power to the throttle or pedal position sensor/switch on Bank 2 is higher than the specified range.

BMW DTC P11A3 symptoms

Symptoms of the DTC P11A3 on a BMW may include:

• Check Engine Light (MIL) illuminated
• Reduced engine power
• Unresponsive throttle pedal
• Poor acceleration

BMW DTC P11A3 causes

Common causes of the DTC P11A3 on a BMW include:

• Faulty throttle or pedal position sensor/switch
• Short circuit or open circuit in the sensor supply voltage circuit
• Corrosion or poor connections in the wiring harness
• Issues with the Engine Control Module (ECM)

BMW DTC P11A3 seriousness

The DTC P11A3 should be addressed promptly as it can lead to drivability issues and potentially affect the performance of the vehicle. Ignoring this code may result in further damage to engine components or unsafe driving conditions.

How to diagnose DTC P11A3 on BMW

To diagnose the DTC P11A3 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes and freeze frame data
2. Inspect the throttle or pedal position sensor/switch and its wiring for any visible damage or corrosion
3. Check the sensor supply voltage circuit for proper voltage levels
4. Perform a continuity test on the wiring harness to check for any open circuits or shorts
5. Inspect the ECM for any signs of malfunction

How to fix DTC P11A3 on BMW

To fix the DTC P11A3 on a BMW, you can try the following solutions:

1. Replace the faulty throttle or pedal position sensor/switch
2. Repair any damaged wiring or connectors in the sensor supply voltage circuit
3. Clean any corrosion from the connections and ensure proper contact
4. If necessary, replace the Engine Control Module (ECM)

How to erase DTC P11A3 on BMW

After fixing the underlying issue causing the DTC P11A3 on a BMW, you can erase the code using a diagnostic scanner. Follow these steps:

1. Connect the diagnostic scanner to the vehicle’s OBD-II port
2. Select the option to erase fault codes from the scanner menu
3. Follow the on-screen prompts to clear the DTC P11A3 code
4. Once the code is successfully erased, you can verify by rescanning the vehicle for any remaining codes