From memory - your ABS is complaining about not getting the data from the SAS. This will be on the HS can. Scope the can at ABS and SAS.
Pins 1 and 2 NVB fused 3 and 4 Can. Pin 6 have a look at signal to ABS via Dash MFCU glove box and DLC - 5 is ground.
The only other nodes on this is PCM and TCM and they're probably not concerned with the info so not flagging faults.
Have you done calibration/adaption on new SAS in ABS/DSC?
Note:
Steering angle sensor adjustment must be carried out:
Before adjustment work on the front axle/steering
after all mechanical work on the steering system
E46 (all-wheel drive), E53, E83: after disconnecting the battery
after replacement / coding / programming of the following components:
Fixture for switches of steering column / switch cluster / steering angle sensor
Dynamic Stability Control (DSC) control unit
Control unit active anti-roll stabilization (ARS)
Global scan to be sure no other can complaints.
General state of the car and "add-ons"
Hope this is of help. - you really need wiring diagrams.
S
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