P115A BMW Possible Causes
- Faulty mass air flow sensor
- Mass air flow sensor harness is open or shorted
- Poor electrical connection in the mass air flow sensor circuit
How to Fix BMW P115A Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P115A BMW Meaning
The mass air flow must be within a valid range under all engine operating conditions. The diagnostic function compares the air mass calculated from the model with the measured air mass. A malfunction is detected when the mass air flow falls below or exceeds a calibrated minimum or maximum respectively for a calibrated period of time.