BMW P1101: Mass Air Flow Circuit Rationality Check Conditions
Is your scanner showing BMW P1101?
No worries. We'll show you what it means and how to deal with it.
BMW P1101: Mass Air Flow Circuit Rationality Check Conditions
OVERVIEWWhat Does The BMW P1101 Code Mean?
Engine running, with the system voltage more than 11.0v, and the temperature must be at least 185-degrees (F) and all electrical equipment (A/C, lights, etc) must be off. The DME has detected that the MAF signal was out of a calculated range.
What Are The Potential Causes Of The BMW P1101 Code?
- Mass air flow (MAF) sensor has failed or is damaged
- Signal and ground wires of Mass Air Flow (MAF) sensor has short circuited
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> BMW MAF sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW Fault Codes (DTCs), page 7.
