P116D 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 P116D 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 engine service warning light soon)
P116D BMW Meaning
The Engine Control Module (ECM) monitors the mass air flow sensor. The ECM sets the OBDII code when the mass air flow sensor does not meet factory specifications.