BMW DTC P1247 – Barometric Pressure ‘A’ Plausibility
DTC P1247 meaning on BMW
DTC P1247 on a BMW indicates a plausibility issue with the barometric pressure sensor ‘A’. This means that the signal being received from the sensor is not within the expected range or is not consistent with other sensor readings.
BMW DTC P1247 symptoms
Symptoms of DTC P1247 on a BMW may include poor engine performance, rough idling, decreased fuel efficiency, and in some cases, the vehicle may go into a limp mode where power is limited.
BMW DTC P1247 causes
The most common causes of DTC P1247 on a BMW are a faulty barometric pressure sensor, wiring issues in the sensor circuit, or a problem with the engine control module (ECM) that is affecting the sensor readings.
BMW DTC P1247 seriousness
While DTC P1247 may not cause immediate harm to the vehicle, it can lead to poor engine performance and decreased fuel efficiency. Ignoring this issue can potentially cause further damage to the engine over time.
How to diagnose DTC P1247 on BMW
To diagnose DTC P1247 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the barometric pressure sensor and its wiring. They may also test the sensor’s output using a multimeter to ensure it is functioning correctly.
How to fix DTC P1247 on BMW
Fixing DTC P1247 on a BMW usually involves replacing the faulty barometric pressure sensor and addressing any wiring issues in the sensor circuit. In some cases, reprogramming or replacing the engine control module (ECM) may be necessary to resolve the plausibility issue.
How to erase DTC P1247 on BMW
Once the underlying issue causing DTC P1247 on a BMW has been fixed, the fault code can be cleared using a diagnostic scanner. This will reset the ECM and turn off the check engine light. It is important to ensure that the issue has been properly addressed before clearing the fault code.