fault code 9313 can bus low short circuit to GND
Thread Starter
Newbie
Joined: Sep 2013
Posts: 7
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From: Finland
ML 350
fault code 9313 can bus low short circuit to GND
ML350 -06 W164 battery pic and visit workshop sometimes flashes, and same time fan stop for a second etc.
Only thing what is found by star is fault code 9313 can bus low short circuit to GND
So i think that is some device or bad wiring what is causing this, or?. Has anyone got same problem ? That will help me a lot. Checking the wiring and all devices is a huge job
Only thing what is found by star is fault code 9313 can bus low short circuit to GND
So i think that is some device or bad wiring what is causing this, or?. Has anyone got same problem ? That will help me a lot. Checking the wiring and all devices is a huge job
Thread Starter
Newbie
Joined: Sep 2013
Posts: 7
Likes: 0
From: Finland
ML 350
Yes, problems are only interior can bus . Engine electrics work fine.Instructions are measure resistance of can wiring.. but i haven't found wiring diagram of w164 can bus, so i dont find actually what wires should measure.(example resistance between X30/7 connector
can bus high <-> can bus low)
If there is some usual place where wiring broke , tip would be very useful?
Where i find wiring diagram?
More I believe some device which is part of can bus is defected and causes short circuit to ground. is that possible?
can bus high <-> can bus low)
If there is some usual place where wiring broke , tip would be very useful?
Where i find wiring diagram?
More I believe some device which is part of can bus is defected and causes short circuit to ground. is that possible?
Newbie
Joined: Apr 2019
Posts: 2
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2008 W164 ML320 CDI
Any updates on this issue? I am experiencing the same symptoms on my vehicle. I have noticed that mine occurs when driving on rough terrain or hitting a pothole. Any feedback would be highly appreciated!
Thread Starter
Newbie
Joined: Sep 2013
Posts: 7
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From: Finland
ML 350
I unplugged one wire at time from connector X30/7 which is located near left foor driver side. And went to test drive, if there was issues i put it back and unplugged another one and again to test drive.. Finally all symptoms were gone when i unplugged faulty can wire from X30/7.
It was connected to radio (Audio 20), because only problem without this specific can wire is that you have to put radio on by hand every time you start engine. There is no "awake" signal to radio anymore. Thats why i havent yet tried this with new Audio 20 device..
So my guess is that with this car problem is Audio 20 or broken can wire.
If you find your faulty wire please report here
You can find pics of x30/7 connector from google to know how its look like..
It was connected to radio (Audio 20), because only problem without this specific can wire is that you have to put radio on by hand every time you start engine. There is no "awake" signal to radio anymore. Thats why i havent yet tried this with new Audio 20 device..
So my guess is that with this car problem is Audio 20 or broken can wire.
If you find your faulty wire please report here
You can find pics of x30/7 connector from google to know how its look like..
Newbie
Joined: Apr 2019
Posts: 2
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2008 W164 ML320 CDI
Thank you for your feedback! Glad to hear you were able to resolve the issue. I will perform the steps you mentioned and provide an update. Did you also, experience parking sensors beeping when the fault was occurring?
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Thread Starter
Newbie
Joined: Sep 2013
Posts: 7
Likes: 0
From: Finland
ML 350
update. Few months ago i replaced Audio 20 and connected CAN wire (which i had unplugged before) and no problems since. So it looks like Audio 20 device was causing these CAN bus problems
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