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  #11  
Old 11-08-2019, 10:44 AM
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Hey guys, appreciate all the help. Thanks a ton Effduration for letting me try that module and helping me code it!

Just read what you guys posted, and it looks like going with the same part number would be best bet. I checked out the link you sent Brad, in description it says it's not known if it functions though lols..

I'll try to see if I can find one that came out of a vehicle that had working ABS/DSC or something. Really don't wanna order another module and be unsure if it works. On the 4.4 it takes about an hour to swap the module, not like 3.0 where it takes a couple minutes.

I'll let you guys know when I get a module that is the same part number. And I assume it has to be coded, even though it's the same part number?

Thanks again for input
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  #12  
Old 11-08-2019, 10:52 AM
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As far as I know on my E39 the module needs to be coded as a new module to your X5 then the steering angle sensor needs to be adapted like was done before.

Brad
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  #13  
Old 11-08-2019, 04:37 PM
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How did you determine the ABS module was the culprit?

What codes did Effduration captured?

I only asked because you're delving too much on one particular module.

Recommend to get your X5 scanned with proper BMW software....as a start...and capture all the errors.

Paste them here for everyone's to understand and compare with their experiences.

I had Trifecta lights 6 years ago...and found out ....liquid gunk on my ABS connector and faulty brake servo.
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  #14  
Old 11-08-2019, 04:58 PM
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Abs module is repsonsible for collecting the input from all the wheels. When you have no wheel speed it's either the abs module or the sensors or the wiring between them.

There original module never reliably reported from wheel speeds the wheel sensors were replaced and one of the front sensors read zero the other reported implausible speed. Usually that means the module internal bond wires are damaged. Very well known design defect on the Bosch abs module there is a whole industry based on it's repair.

When replacing wheel sensors doesn't help, then usually it's the module but I would check any wiring as well.

Erick: I would try to find the pinout on the cable connector to the module and test with Ω meter to each front wheel sensor to make sure it's not the wiring! There is a fair chance the module was repaired and you have the errors you do because the wiring from the wheel sensors is damaged. Recall it's not the original motor: a wiring harness could have been smashed by the motor during install.
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  #15  
Old 11-08-2019, 05:19 PM
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Actually you don't even need the pinout just try them all. You should find tone from each pin of each sensor connector.

If you can't, then it's the wiring not the module.
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  #16  
Old 11-08-2019, 07:29 PM
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Thanks for the replies guys.

I believe you are correct Brad, and the module even though it's the same part number will need to be coded.

Jopesca, after replacing the wheel speed sensors and having the same codes, I kind of assumed it must be the module or wiring. When I swapped the modules I did a visual inspection of what I could see as far as wiring, but that is still a possibility.

In order to code and also get more information I ordered the DCAN cable and I am going to download the BMW software and hopefully get it running on my Windows 10 laptop. Will be here in 2 days.

Ordered a module that has exact same part number, and says it was tested and functions also. Should be here next week. Returns are free, so worst case scenario is I put in a known working module, code it, if I have the same problems - I know it's not the module. Kind of backwards way to do things but won't cost me anything if I return.

Andrew that sounds like a plan. I'm not an expert about wiring as you know, but I will shoot you a text so you can let me know how to properly test the cable connector. Actually a very good good idea, I should have tried that a while ago. Maybe when new module comes in, I can test that at the same time since I'll have things apart.

Appreciate the help, will keep you guys posted.
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  #17  
Old 11-09-2019, 04:09 PM
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It looks like you have access to INPA from some local posters. Based on my experience; I replaced the DSC with the exact same model from the wreckers. I coded the replacement DSC with NCS Expert. I could not calibrate the steering angle sensor in INPA (even though it appeared that I had). After a lot of hassle I found the following to work (it took 10 seconds to get my trifecta lights to shut off).

Steering angle recalibration for BMW E53;

Connect computer to car.
Turn ignition to position 2 (do not start car).
Load INPA and check to ensure connection.
Exit INPA.
Load NCS Expert.
Load Profile = Default profile.
Press F1 - VIN/ZCS/FA.
Press F3*- Choose CHASSIS = Press E53.
Choose KMBI (CHASSIS field should fill (FG/GM/SA/VN)).
Load Tool32.
Open group file for E39 = (DSC57.PRG).
Scroll down jobs list and double click “test_lenkwinke”.
Done.
Steering angle sensor should now be recalibrated and trifecta lights should extinguish.
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