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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > CANBUS errors



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      07-29-2014, 09:36 PM   #1
ewodzien
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CANBUS errors

It started to innocently....

iDrive says that the brake fluid needs to be changed... ok.. it is yellow... I'll take care of it during the next oil change..

One week later, the warning turns Red and ugly... Brake Fluid Change OVERDUE! (Yes, the damn Germans use an exclamation mark in their warnings.)

So, I decided to book an appointment for next week- besides one of the LEDs on my right turn signal went out and my rear parcel shelf was squeaking again....

Then the fun happened. Literally, right after I made the appointment, my instrument cluster starts resetting and the iDrive display says "Electrical Malfunction! Pull Over Carefully. Continued driving is not possible."

See...



Here is a video of the dash resets.

But the engine continues purring.

Well since then, it has happened over 100 times- 20 times on the way to the dealer.

They will take a look.. I suspect a bad tire pressure module based on research and the fault codes...

Code:
Motor Control:
   Engine / Motor
      Fehler: Message failure / Data COMBI STAT
        Code: 4993
      Fehler: Message failure / unknown failure
        Code: 49A2
      Fehler: Message / Message failure / data failure
        Code: 4BF7
ABS / DSC / Brake:
   Dynamische Stabilitaets Kontrolle / DSC
      Fehler: Instrument cluster 1 outdoor temperature PT-CAN / PT CAN fault / EGS CAN message / CAN error message
        Code: D358
Airbag:
   Airbag
      Fehler: General Bus Wiring error / General Bus cable fault
        Code: C944
Transmission Control:
   Transmission / Getriebe GS 19
      ECU OK, no Fault Code

Instrument cluster:
   Instrument cluster / Kombiinstrument
      Fehler: CAN signal fault / CAN ID failure
        Code: A3B6
      Fehler: unknown failure
        Code: A3BC
      Fehler: CAN LOW ERROR
        Code: E104
      Fehler: K-Can Bus off
        Code: E107
   Central info display / Zentrales Display
      Fehler: Communication CAN Low / Line fault detection K-CAN
        Code: E5C4
      Fehler: Communication Bus error / Errors out of the bus K-CAN
        Code: E5C7
Heating / AC:
   Air conditioning / Klimaanlage
      Fehler: CAN-BUS error / C-CAN failure / CAN bus physical bus errors
        Code: E704
      Fehler: PTC LIN / Left rear engine stratification / PTC auxiliary heaters / unknown failure
        Code: 9C53
      Fehler: Message Error PT CAN / unknown failure / CAN controllers, bus-off / K-Can Bus off
        Code: E707
Immobilizer System:
   CAS
      Fehler: Central control timeout
        Code: D904
Sunroof / Roof:
   Roof / Dach
      Fehler: CAN Bus failure / Can line fault
        Code: DE84
      Fehler: CAN Bus failure / CAN bus communication error
        Code: DE87
Audio/Navi/Communication:
   Phone / Telefon
      ECU OK, no Fault Code
Seats:
   Seats / Sitze
      Fehler: Bus cable fault / CAN-Low, physical bus error
        Code: E444
      Fehler: Controllers, bus-off
        Code: E447
Systems:
   Junction Box Passenger / Beifahrer
      Fehler: K-CAN communication / K-CAN communikation / K-CAN Controller
        Code: C907
      Fehler: :K-CAN communikation / PT-CAN Controller
        Code: C908
   Fuel pump / Kraftstoffpumpe
      ECU OK, no Fault Code
   Tire pressure control / Reifendruck Kontrolle
      Fehler: CAN error-Low / CAN low error
        Code: D104
      Fehler: Controller error / error controller
        Code: D107
   Passive Go System
      Fehler: Power failure / K CAN LOW LINE
        Code: D2C4
      Fehler: CAN controller error
        Code: D2C7
   Car Communication Computer CCC
      ECU OK, no Fault Code
   MASK
      Fehler: :unknown fault
        Code: E1C4
      Fehler: :Bus communication error
        Code: E1C7
   Car Communication
      ECU OK, no Fault Code
Body:
   Fussraummodul /FRM
      Fehler: unknown failure / K-CAN-Bus cable fault / Central control timeout
        Code: E584
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2012 X5 3.5d Jet Black / Black w/ Sport Pkg - Loaded
Mods:Factory 214 Y-Spoke 20" black-chromed wheels - Gloss black grilles - LED front/rear turns & fogs - coding mods
Other rides:2006 VW TDI Pkg 3 / 2008 Duramax LTZ / BMW K1300s
Previous rides:2011 335d Jet Black / Black w/ Sport Pkg - Loaded
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      07-30-2014, 08:26 PM   #2
ewodzien
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An observation about the X3 loaner I was given... bad glare!

http://www.e90post.com/forums/showth...8#post16382668
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2012 X5 3.5d Jet Black / Black w/ Sport Pkg - Loaded
Mods:Factory 214 Y-Spoke 20" black-chromed wheels - Gloss black grilles - LED front/rear turns & fogs - coding mods
Other rides:2006 VW TDI Pkg 3 / 2008 Duramax LTZ / BMW K1300s
Previous rides:2011 335d Jet Black / Black w/ Sport Pkg - Loaded
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      09-24-2014, 09:34 AM   #3
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What was the problem? I have a similar issue and similar codes. Car runs fine.
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      09-24-2014, 03:27 PM   #4
ewodzien
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I'm happy to report that the problem has been fixed.

But it wasn't easy to find. The problem was a loose "crimp joint" in the drivers side harness.

Although I wasn't happy that the dealer had my car for a MONTH (!!!), I was very happy that they took the time to actually fix the problem and not replace a random module and call it done, only to have me come back again.

The tech I got at Peter Pan BMW was fantastic... he was the lead foreman and spent the time with an oscilloscope to examine the bus. He said that the low side near the canbus crimp joint was noisy when he moved it. So although he couldn't reproduce the problem, he was pretty certain it was the issue... and he was correct. If you need his name, please PM me. Cannot recommend him any higher. He even gave me a bottle of "door seal lube" to help quiet down my squeaky door rubbers.

Evidently, several canbus network runs to three separate crimp joints in the E90- one by drivers side, and two on the passenger side. These form the hub and spoke architecture that all of the modules communicate on for various canbus networks (comfort/entertainment/safety/powertrain, etc.).

Hope this helps. If you need more information, please let me know.

-Ed
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Mods:Factory 214 Y-Spoke 20" black-chromed wheels - Gloss black grilles - LED front/rear turns & fogs - coding mods
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Previous rides:2011 335d Jet Black / Black w/ Sport Pkg - Loaded
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      09-24-2014, 05:06 PM   #5
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crissake - why do I always get stuck with Retard Tommy as my technician.
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      04-28-2015, 09:20 AM   #6
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What does this one mean? I have it and clear it frequently. but recurs.

K-Can Bus off
Code: E107
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      04-28-2015, 09:26 AM   #7
///Mposter
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Quote:
Originally Posted by rogerdiaz
What does this one mean? I have it and clear it frequently. but recurs.

K-Can Bus off
Code: E107
Probably the module is listening and not seeing the correct data in the correct sequence and then after a certain time-count turns off.
Resetting it starts the listening all over. Could be a bad line or disconnect, module. You would have to troubleshoot all the systems individually or see what data is missing to find the culprit.
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      04-28-2015, 12:00 PM   #8
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Quote:
Originally Posted by ///Mposter View Post
Probably the module is listening and not seeing the correct data in the correct sequence and then after a certain time-count turns off.
Resetting it starts the listening all over. Could be a bad line or disconnect, module. You would have to troubleshoot all the systems individually or see what data is missing to find the culprit.
Thanks, makes sense, I think I know the affected module. My comfort access features stopped working one random day. All of them.

New FOB batteries hasn't done the trick.
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