Fault description
WARNING: This page does not describe the selected car, but rather 59 other vehicles, including the 2018 BMW X4, 2018 BMW 320i xDrive, 2018 BMW 320i, 2017 BMW X4, and 2017 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
The Diagnosis monitors the line for voltage supply to single-spark ignition coils from the load-shedding relay for ignition and fuel injection for open circuits/line disconnection and short circuits to ground.
Fault monitoring conditions:
This fault code is detected whenever there is no voltage at the DME input (E_U_IGN) although the load-shedding relay for ignition and fuel injection has engaged.