[landoe9x]

Alright, so I purchased a 07 manual bmw e90 328xi (my first car) a couple months ago.
Since then I’ve been slowly chipping away at some minor issues including wheel speed censors and what not. Now its time to tackle to larger issues at hand. 4x4 not working as well as steering angle sensor.

These are the current codes I’m getting:

Safety and information module (SIM):
1 error
•A6CF: AUC_SENSOR

Transfer box:
•55C3: VGSG four-wheel-drive system activated. No DXC setpoint default. 55D0: •55D0 CAN_MESSAGE_LENKRADWINKEL, C4

Dynamic stability control:

•94C7: DSC-SZL: Error entry for SZL: StartUp LWS Shadow Zero point data CRC error
•5EBA: Steering angle sensor: status error. Steering angle signal invalid or steering angle signal only relative. Center position unknown. Learning quadrant active. Steer to the stop.

Instrument panel:
•E104: CAN LOW ERROR

ABSKWP:

•94C7:- DSC-SZL: Error entry for SZL: StartUp LWS Shadow Zero point data CRC error
•5EBA:- Steering angle sensor: status error. Steering angle signal invalid or steering angle signal only relative. Center position unknown. Learning quadrant active. Steer to the stop.

What I’ve tried so far:
•Cleaned the steering angle sensor disc
•Turning wheel all the way left and all the way right

Car runs great other than the lack of 4x4.

Any help is appreciated.

Also this is my first time using a forum so please let me know if there is anything i need to be doing differently

[Saico]

4x4 needs steering angle signal to work (transmitted through CAN).
You have a error related to this sensor. Fix this and 4x4 should be back.

[landoe9x]

To clarify are you referring to the steering angle sensor, or some sort of CAN sensor?

[Saico]

CAN is a bus (interface), the problem is most probably with the steering angle sensor. I guess there is a calibration procedure for this sensor, I would start with that.