There is a warning light “Steering drive moderately” coming on the BMW 528i F10 dashboard. So I’m gonna use Launch X431 PAD V Scan Tool to diagnose its reason and to do steering angle calibration.
Connect X431 PAD V with OBD, turn ignition on, press
Local diagnose >> BMW >> OK >> Automatically search >> Next
Wait system scanning until 100%…
There are several fault codes, enter into “ASA/AL(Active Steering)”.
Continue >> Special function >> Start-up of active steering >>  >> OK >> OK
The signal of the rotor position sensor is invalid.
Follow steps are now executed:
– Resetting the motor position angle;
– Adjusting the motor position angle.
The motor position angle is now reset. Press “OK”.
Resetting the motor position angle was successful. Press “OK”.
Follow the info, then press “OK” continuously.
Please steer several times out from the centre position of the steering wheel to the left end stop.
The left end stop was successfully taught-in.
In the next step, start steering to the right end stop after pressing “OK”.
Please steer several times out from the centre position of the steering wheel to the right end stop.
Bring the steering wheel back to the centre position(wheels straight) and release.
Then there are checks to establish whether the motor position angle of the active steering was successfully calibrated.
Steering from lock to lock was successful.
The motor position angle was set.
Switch off the engine.
Follow the info, press “OK” continuously.
The start-up/alignment of the active steering system was finished successfully. This meets the prerequisite for wheel alignment. Is wheel alignment/chassis adjustment necessary?
No >> OK
Clear fault code completed, press “OK” to finish.
Steering angle calibration on BMW 528i F10 has done. Thanks to Launch X431 PAD V Diagnostic Tool, it helped to solve the problem of 48000F ICM DTC(Active Steering: rotor position sensor value invalid).