DSC 4x4 not activating

[andrewwynn]

Correct. Need BMW grade scanner


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[mtthmpsn]

Originally Posted by SoonerBred1963

Also, this car hydroplaned and hit those sand filled barrels. It dented the doors and left front fender, and broke the tie rod in the front, and the control arm in the back. Both the tie rod and the control have been replaced and it has been aligned, so it is tracking straight, the guys that aligned it are very meticulous. Maybe this info helps fill in the picture?

Probably coincidental and unrelated, but I had the 4x4 light come on not long after a wheel alignment with new tires. Ended up being the steering angle sensor that someone else mentioned. Cheap aftermarket part and fairly easy replacement if you can find the DIY that doesn’t require you to get under the car.

I did use INPA to confirm it was the angle sensor before replacement. Angle numbers would jump immediately to max (or was it min?) when turning one direction.

[SoonerBred1963]

where is it located, bc I kind of have a feeling it got knocked around.

[andrewwynn]

Abs unit is about a foot behind the left headlight. You need a BMW level scanner to read and module


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[wpoll]

Originally Posted by SoonerBred1963

where is it located, bc I kind of have a feeling it got knocked around.

Steering angle sensor is about a foot below the steering wheel, around the steering column.

It just occured to me that the front fender damage has possibly taken out the ABS sensor cable on that corner... check the cable and sensor.

https://www.pelicanparts.com/techart...eplacement.htm