What does code P1117 mean on BMW vehicles?
The MAF sensor on bank 2 reports a lower than expected signal, indicating reduced airflow measurement.
OBD-II Code BMW
P1117 — BMW — Mass or Volume Air Flow Circuit Low Input (Bank 2)
The MAF sensor on bank 2 reports a lower than expected signal, indicating reduced airflow measurement.
Common symptoms
- Lack of power
- poor acceleration
Possible causes
- Open circuit
- faulty MAF sensor
- wiring issue
Initial recommendation
Inspect MAF sensor wiring and connector, test sensor output.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine BMW code P1117 with your vehicle's actual symptoms for more complete diagnostic guidance.
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