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Old 03-03-2016, 12:04 AM
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Join Date: Dec 2010
Location: Charleston, SC
Posts: 25
Absolutegtr is on a distinguished road
Calling gurus for DXC8 (DSC ) diagnosis on facelift X5

I am no beginner to the trifecta lights that plague the e39's. I am usually up to par when it comes to diagnosing the trifecta lights.

But this is totally new to me:
Vehicle is a 2005 BMW X5 3.0i

DSC4x4 and ABS as BRAKE light are all on. Initially before I replaced the module (see below) I had all 3 lights come on. Trans fail safe mode As well as no tachometer and coolant gauge jumped to the RED (obviously not overheating). Also A/C turned off (fail safe mode)

I was throwing all kinds of errors within the ABS module. Falling back on my knowledge with the BOSCH 5.7 ABS module I was showing all the signs of a failed DSC/ABS MODULE. Come to find out the facelift model X5's don't use a 5.7 module. It is now a DXC8 module. I find out through my supplier that a brand new controller can be bought. They keep them in stock so I figure they must fail left and right since they have them in stock and they are even available separately from the hydro unit. So I purchased a brand new module and successfully coded the module via PASoft (I was unsuccessful trying to code via INPA for some reason).... And performed a steering wheel calibration.

No dice, all the lights still on. I cycled the key and boom. Lights are off. But that was only temporary. 8 out of ten times I cycle the key the lights turn stay on. But the other 2 out of ten times the lights all turn off

Here are the codes I am throwing. Some major CANBUS codes. I am totally stumped



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