BMW DTC P1173 – Barometric Pressure Sensor Variant Recognition Learning Failed
DTC P1173 meaning on BMW
DTC P1173 on a BMW indicates that the Barometric Pressure Sensor Variant Recognition Learning has failed. This means that the engine control module (ECM) is unable to properly recognize the barometric pressure sensor’s readings, which can affect the engine’s performance.
BMW DTC P1173 symptoms
Symptoms of DTC P1173 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Poor fuel efficiency
- Rough idling or stalling
BMW DTC P1173 causes
The common causes of DTC P1173 on a BMW include:
- Barometric pressure sensor malfunction
- Wiring or connection issues in the sensor circuit
- ECM software or hardware problems
BMW DTC P1173 seriousness
DTC P1173 should not be ignored as it can lead to poor engine performance and reduced fuel efficiency. Ignoring this issue may also cause further damage to the engine components over time.
How to diagnose DTC P1173 on BMW
To diagnose DTC P1173 on a BMW, you can:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the barometric pressure sensor and its wiring for any visible damage
- Check the ECM for any software updates or malfunctions
How to fix DTC P1173 on BMW
To fix DTC P1173 on a BMW, you can:
- Replace the barometric pressure sensor if it is faulty
- Repair any damaged wiring or connections in the sensor circuit
- Update the ECM software to the latest version
How to erase DTC P1173 on BMW
To erase DTC P1173 on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- After fixing the underlying issue, drive the vehicle to allow the ECM to relearn the sensor variant recognition