DSC, DBC, FTM ... malfunctions (=steering angle sensor, solved!) - BMW M5 Forum and M6 Forums
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post #1 of 155 Old 15th April 2006, 04:24 AM Thread Starter
FasterThanYours
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DSC, DBC, FTM ... malfunctions (=steering angle sensor, solved!)

Well I was out shopping for some office supplies tonight and to my horrible suprise I get the dreaded Transmission Fault screen, followed up by practically every other malfunction screen. I drove 'moderately' home and shut her off. Tried restarting twice but the messages keep appearing. I really don't want the hassle of taking her to the dealer but is there any other option? Can anyone offer some reassurance that my baby is going to be OK?
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post #2 of 155 Old 15th April 2006, 04:44 PM Thread Starter
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This morning I get in the beast hoping the messages have reset but when I start her up the tranny fault comes up immediately along with a EDC fault too. When I shift into 1st and start moving I then get the DSC, DBC, FTM, Start-off malfunctions. During my hours of searching on the board I remember reading somebody had reset their FTM(flat tire monitor) and the messages went away. I tried it the first time after the FTM Malfunction already appeared, but this doesn't work. I then shut off the car and restarted. Tranny & EDC faults came back right away but as long as I stayed in neutral the FTM was still active. I reset at this point, drove about 5 minutes, the list of faults returned again. Parked. Waited 15 minutes. Started the beast up again............... NO MALFUNCTIONS... Drove a couple miles. Still no malfunctions. Maybe this avoided a trip to the dealer. I just hope if something serious is really wrong we don't just think it's another software glitch.

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post #3 of 155 Old 15th April 2006, 06:48 PM
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Somebody else had that same exact problem. Don't know who anymore but his sollution was the same and exact as yours.

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post #4 of 155 Old 15th April 2006, 07:41 PM
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DSC, DBC, start assist and FTM are in the same ECU, so if DSC has a malfunction, the other systems are also switched off.


I dont now the exact failure, but I think there is a bug in the can-bus communication.
perhaps a software update could help.

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post #5 of 155 Old 18th April 2006, 03:30 AM Thread Starter
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Turns out the FTM reset method is just a temporary fix for me. Sometimes it works sometimes it doesn't. I get the faults on every restart now. Car goes to dealer on Wednesday morning. Hope it's something simple. Will post again with diagnosis and repairs.

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post #6 of 155 Old 18th April 2006, 03:40 AM
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How are you resetting the FTM?

Are you going between 20-90 MPH and putting it into neutral followed by pulling back on both paddles for 2-3 sec.

Now I cant remember if that was for resetting the SMG or FTM. I dont have my manual on me right now.
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post #7 of 155 Old 18th April 2006, 04:13 AM
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The problem is an easy fix. It is a faulty sensor in the steering wheel which needs to be replaced. For some reason when the sensor goes out it causes all of the transmission fault warnings to start coming up. Mine's getting fixed right now.
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post #8 of 155 Old 25th April 2006, 03:13 AM Thread Starter
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Car was fixed last Wednesday. The steering angle sensor was the culprit as V10 Tim alluded. The beast is once again perfect in my eyes.

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post #9 of 155 Old 21st May 2006, 06:13 AM
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DSC, DBC, FTM ... malfunctions

In terms of the transmission malfunction which I experienced last night, I am told that there is an SIB (service bulletin) that was released recently regarding an improperly machined flywheel and clutch and that the dealer will install the updated parts. I will find out more when I take my car to the dealer to get the problem fixed.

Last edited by 2006M5; 21st May 2006 at 06:14 AM.
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post #10 of 155 Old 21st May 2006, 05:22 PM
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I have had 2 Transmission Fault warnings. The first time the engine was hot and it simply went out after a few minutes of driving, the second time it came on with a cold start, I turned the engine off and restarted and it did not reappear. . . . the dreaded dealer wants me to bring it in, but I will have none of that!

Last edited by M Mode; 21st May 2006 at 05:22 PM.
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