P2229 – BMW DTC

BMW DTC P2229 – Barometric Pressure Sensor ‘A’ Circuit High

DTC P2229 meaning on BMW

The Diagnostic Trouble Code (DTC) P2229 for BMW refers to a fault in the Barometric Pressure Sensor ‘A’ Circuit, indicating that the signal voltage from the sensor is higher than the expected range.

BMW DTC P2229 symptoms

Symptoms of DTC P2229 on a BMW may include:

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance
  • Increased fuel consumption
  • Engine stalling or rough idling

BMW DTC P2229 causes

Common causes of DTC P2229 on a BMW include:

  • Barometric Pressure Sensor malfunction
  • Wiring or connector issues in the sensor circuit
  • ECU (Engine Control Unit) software or hardware problems

BMW DTC P2229 seriousness

While DTC P2229 may not always result in immediate drivability issues, it is important to address this fault promptly to prevent potential engine performance problems and ensure optimal fuel efficiency.

How to diagnose DTC P2229 on BMW

To diagnose DTC P2229 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data.
  2. Inspect the Barometric Pressure Sensor and its wiring for any visible damage or corrosion.
  3. Check the sensor’s voltage output using a multimeter to verify if it is within the specified range.
  4. Perform a smoke test to check for any vacuum leaks that could affect the sensor’s readings.

How to fix DTC P2229 on BMW

To fix DTC P2229 on a BMW, you can consider the following actions:

  1. Replace the Barometric Pressure Sensor if it is found to be faulty.
  2. Repair any damaged wiring or connectors in the sensor circuit.
  3. Update the ECU software to the latest version to address any software-related issues.
  4. Clear the fault code and perform a test drive to ensure the issue has been resolved.

How to erase DTC P2229 on BMW

To erase DTC P2229 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECU’s memory. After clearing the code, it is recommended to perform a test drive to confirm that the issue has been successfully resolved.