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X3 E83 (2004 - 2010)
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  #1  
Old 05-31-2016, 11:30 AM
thefys thefys is offline
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Mein Auto: 325xi
Transmission Light and associated CAN errors

Hi folks,

Our 2006 X3 has intermittent transmission error lights that have started to show up recently. We have 160,000kms on the vehicle and changed out the transfer case about 6 months ago, but have not replaced the transmission oil yet.

Note, when the light is on, I can;t detect any problems in gear switching or the transmission itself, everything sounds normal.

I am wondering if these errors can be used to identify possible issues, and avoid randomly changing parts / oil / etc.

Here is what I get using the BMW Scanner tool SC110


97 CAN status fault
91 CAN torque reduction

Any help would be appreciated as searching for these errors did not come up with any conclusive results in this forum and via Google.
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  #2  
Old 05-31-2016, 12:42 PM
swampX3 swampX3 is online now
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CAN time out delay ?

Can timeout link...don't forget to clear your codes and see if they come back

http://blog.bavauto.com/9596/bmw-fau...t-asc-egs-etc/


some good FESTCHIVE scoop follows on your second issue .... the torque reduction...best wishes

also ...its good to preface your code info searches with "BMW++" ....or similar

https://www.google.com/search?client...UTF-8&oe=UTF-8

http://www.bimmerfest.com/forums/sho...d.php?t=761235

Last edited by swampX3; 05-31-2016 at 12:51 PM.
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  #3  
Old 05-31-2016, 05:13 PM
joylove joylove is offline
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Quote:
Originally Posted by swampX3 View Post
its good to preface your code info searches with "BMW++"
What does the second + do for Google?
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Old 05-31-2016, 09:22 PM
thefys thefys is offline
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Cleared codes, and the transmission error on the dash came back ***55357;***56866;
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Old 06-01-2016, 04:29 AM
abscate abscate is offline
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What does the second + do for Google?
It ensures the responder matches your blood type
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Old 06-01-2016, 08:09 AM
joylove joylove is offline
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Originally Posted by thefys View Post
Cleared codes, and the transmission error on the dash came back ***55357;***56866;
Any codes stored in other modules? Somebody said the MAF can trigger an CAN bus error, which I find dubious but worth checking.

Here you can see the modules that the mission-critical CANbus touches on the e39, E83 should be very similar. the Cluster is the bridge that links the diagnostic DBus to all other busses. You can see for example a failure in the NAV should't take out the ABS/DSC. I'm not sue the DSC and LEW have direct access to DBus any more on E83.


Last edited by joylove; 06-01-2016 at 08:12 AM.
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