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Malfunction messages - Could use some guidance

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Old Aug 22, 2016 | 12:19 PM
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E55 Wagon
Malfunction messages - Could use some guidance
Was on a drive on the freeway and suddenly got the following messages:

- Display malfunction
- SRS malfunction
- TeleAid malfunction (probably due to SRS and SOS button)
- Intermittent beep in the car
- Car locks but alarm does not beep after locking
- and finally check engine light

And all messages asking to visit workshop.

Car drove fine and had no issues mechanically. My guess is either the alternator or voltage regulator. Any guidance, suggestions, help appreciated!

Thanks
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Old Aug 22, 2016 | 12:35 PM
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2005 E55, 2009 VW GLI
It's probably your central gateway. Take your car to a shop and have electrical diagnostics performed.


-OA
Last edited by O-55; Aug 22, 2016 at 03:20 PM.
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Old Aug 22, 2016 | 04:37 PM
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E55 Wagon
Probably need a diag to determine it....
Originally Posted by O-55
It's probably your central gateway. Take your car to a shop and have electrical diagnostics performed.


-OA
Thank you for the suggestion.
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Old Aug 22, 2016 | 04:43 PM
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Old Aug 22, 2016 | 05:49 PM
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Originally Posted by O-55
It's probably your central gateway. Take your car to a shop and have electrical diagnostics performed.


-OA
Before you leave pop the boot and check the positive terminal just to make sure it is securely bolted onto the terminal and it's associated + lead offshoot. I think it is a 10mm as I remember. That being loose on my e55 caused some issues. I only had a "Convenience Features disabled" and "ESP unavail." if I am remembering correctly. Your's sounds like a major CAN communication issue IMHO.

+1 on BBirdwell
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Old Aug 26, 2016 | 09:33 PM
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Diagnosed the issue....It is the Central Gateway. Being fixed at my local MB shop.
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Old Sep 1, 2016 | 12:24 PM
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For those interested...Wagon working great once again.

Cost to fix the central gateway at my local MB shop (not dealer): $450
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Old Sep 1, 2016 | 12:52 PM
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Originally Posted by O-55
It's probably your central gateway. Take your car to a shop and have electrical diagnostics performed.


-OA
Bingo!
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