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Transfer Case in Neutral - let's get scientific
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Author
Posted 2/17/2013 9:35 PM
fernweh



Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
2000
RE: Transfer Case in Neutral - let's get scientific

Here a little update from the transfer case front.

On my last adventure in Baja Sur with Harald in Dec 2012 the problem with the transfer case shifting came up again.
Remember in Aug of 2009, I noticed a wire problem at the 6-pin connector to the transfer case shift motor and had repaired the two power wires then.
Trying to meet up with Harald in San Ignacio, I had to use the lockers and the Gelände gears to make it back up onto the highway.
Back on the asphalt, no street gears for me, a few shift error messages and then the computer settled on the following: Transfer Case in Neutral!
After a couple miles driving on the highway in the low range (max speed 45Mph) I tried to shift again. To my surprise the Tc shifted into high.....and off I went.


Since then, I always had the "Transfer Case in Neutral" message displayed together with an annoying beeping, whenever I open the driver door.
The Star Diagnose system showed some communications errors, it is still the same shift motor and I believe there is nothing wrong with it.
I planned to replace that complete connector and found out, a short wiring harness complete with connectors on both ends, is available from MB - cool.

This last weekend I finally try to find the place where this short harness plugs into......



(IMG_3869.JPG)



(Battery Box.jpg)



(Almost like Haralds Office View.jpg)



(Both Seats and Center Console Out.jpg)



(Finally Found the other End.jpg)



Attachments
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Attachments IMG_3869.JPG (132KB - 7 downloads)
Attachments Battery Box.jpg (152KB - 7 downloads)
Attachments Almost like Haralds Office View.jpg (149KB - 8 downloads)
Attachments Both Seats and Center Console Out.jpg (162KB - 10 downloads)
Attachments Finally Found the other End.jpg (133KB - 9 downloads)
#211486 - in reply to #156120
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Author
Posted 2/18/2013 6:36 AM
bram_r
Expert




Date registered: Apr 2007
Location: the Netherlands
Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD
Posts: 1659
1000
Re: Transfer Case in Neutral - let's get scientific

Gee, how I appreciate my 460

#211496 - in reply to #156120
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Posted 2/18/2013 6:43 AM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9963
5000
Re: Transfer Case in Neutral - let's get scientific

bram_r - 2/18/2013 6:36 AM

Gee, how I appreciate my 460



And, I, my pre-2002 463!
#211498 - in reply to #211496
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Posted 2/18/2013 5:59 PM
fernweh



Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
2000
Re: Transfer Case in Neutral - let's get scientific

DUTCH - 2/18/2013 3:43 AM

bram_r - 2/18/2013 6:36 AM

Gee, how I appreciate my 460



And, I, my pre-2002 463!


And I love my 2004 W463....with only 160K miles

The Star Diagnose system reset and re-learned the TC ECU, the long missed "H" is displayed again - just wonderful.

The truck got serviced, Spring cleaned and will leave on 2/22 for another Baja California adventure.

Karl
#211518 - in reply to #211498
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Author
Posted 2/18/2013 9:36 PM
koly
Elite Veteran




Date registered: Jul 2006
Location: Scottsdale, AZ USA
Vehicle(s): 2000 G500
Posts: 823
500
Re: Transfer Case in Neutral - let's get scientific

fernweh - 2/18/2013 3:59 PM

And I love my 2004 W463....with only 160K miles

The Star Diagnose system reset and re-learned the TC ECU, the long missed "H" is displayed again - just wonderful.

The truck got serviced, Spring cleaned and will leave on 2/22 for another Baja California adventure.

Karl

Is the beer money a factory option or is that aftermarket?
#211525 - in reply to #211518
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Posted 2/18/2013 9:56 PM
hipine



Date registered: Jul 2006
Location: US, CO, Bailey
Vehicle(s): 460 1980 280GE w. 617A
5000
Re: Transfer Case in Neutral - let's get scientific

koly - 2/18/2013 7:36 PM

Is the beer money a factory option or is that aftermarket? :cheers:


I think it's factory. I found a bunch of German coins in the back seat of mine. Of course much fewer coins because beer was cheaper in 1980.

Glad you got your H back Karl, and doubly glad you're off on more adventures to share with us.

All the best!

-Dave G.
#211527 - in reply to #211525
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Posted 2/19/2013 5:28 AM
thebigblue

Date registered: Jan 2012
Location:
Vehicle(s):
500
RE: Transfer Case in Neutral - let's get scientific

Could one of you guys suggest a smaller unit than The Star Diagnose system to read and clear fault codes with, - if one exits for a EU car
Thx
#211530 - in reply to #156120
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Posted 2/19/2013 10:41 PM
BonitaBeast
Regular




Date registered: Mar 2012
Location: Manila, Philippines
Vehicle(s): 2003 Kleemann G55k, 2003 DINAN E39 M5
Posts: 62
50
RE: Transfer Case in Neutral - let's get scientific

thebigblue - 2/19/2013 5:28 PM

Could one of you guys suggest a smaller unit than The Star Diagnose system to read and clear fault codes with, - if one exits for a EU car
Thx


If all you are looking to do is read and clear minor fault codes you could try looking into the Innovate OT-2. It is a real time OBD-II gadget that you can link up wirelessly using your Smart phone (Iphone and the like) to view real time diagnostics and clear codes. It plugs into the OBD-II port under the dash. It will by no means replace the star but the code clearing is a plus. It might be worth a look into...

Edited by BonitaBeast 2/19/2013 10:42 PM
#211545 - in reply to #211530
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Posted 2/19/2013 11:02 PM
Otiswesty
Administrator




Date registered: Jun 2007
Location: Portland, Oregon
Vehicle(s): 463.241, 461.213
Posts: 3004
2000
RE: Transfer Case in Neutral - let's get scientific

Nice work Karl, enjoy the Feb trip.

Really, the 2004 is not any more complicated than a 460, and it is arguably just as reliable. The repairs and diagnosis is just electrical rather than solely mechanical, and clearly can be solved by any regular guy with the right tools.
#211547 - in reply to #156120
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Posted 2/19/2013 11:17 PM
chris505



Date registered: May 2007
Location: San Francisco
Vehicle(s): '79 280E/'80 280GE/'00 G500
300
RE: Transfer Case in Neutral - let's get scientific

It may help that he is a superb electrical engineer.
#211548 - in reply to #156120
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Posted 2/20/2013 1:28 PM
koly
Elite Veteran




Date registered: Jul 2006
Location: Scottsdale, AZ USA
Vehicle(s): 2000 G500
Posts: 823
500
RE: Transfer Case in Neutral - let's get scientific

BonitaBeast - 2/19/2013 8:41 PM

thebigblue - 2/19/2013 5:28 PM

Could one of you guys suggest a smaller unit than The Star Diagnose system to read and clear fault codes with, - if one exits for a EU car
Thx


If all you are looking to do is read and clear minor fault codes you could try looking into the Innovate OT-2. It is a real time OBD-II gadget that you can link up wirelessly using your Smart phone (Iphone and the like) to view real time diagnostics and clear codes. It plugs into the OBD-II port under the dash. It will by no means replace the star but the code clearing is a plus. It might be worth a look into...

There are several OBD-II readers/code clearers that will talk to smart phones... I picked up an ELM327 WiFi reader (it creates it's own wifi for your smartphone to join - also available as a bluetooth) and use the DashCommand software on my iPhone. The ELM327 was ~$20 off fleabay, and there are a couple ODBII Apps, all at or under $50...
#211563 - in reply to #211545
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Posted 2/20/2013 1:48 PM
fernweh



Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
2000
RE: Transfer Case in Neutral - let's get scientific

koly - 2/20/2013 10:28 AM

BonitaBeast - 2/19/2013 8:41 PM

thebigblue - 2/19/2013 5:28 PM

Could one of you guys suggest a smaller unit than The Star Diagnose system to read and clear fault codes with, - if one exits for a EU car
Thx


If all you are looking to do is read and clear minor fault codes you could try looking into the Innovate OT-2. It is a real time OBD-II gadget that you can link up wirelessly using your Smart phone (Iphone and the like) to view real time diagnostics and clear codes. It plugs into the OBD-II port under the dash. It will by no means replace the star but the code clearing is a plus. It might be worth a look into...

There are several OBD-II readers/code clearers that will talk to smart phones... I picked up an ELM327 WiFi reader (it creates it's own wifi for your smartphone to join - also available as a bluetooth) and use the DashCommand software on my iPhone. The ELM327 was ~$20 off fleabay, and there are a couple ODBII Apps, all at or under $50...


You might be reading and erasing all the error codes. If they clear up and not showing up again, you are ahead of the game.....

But what to do next, when the same error code comes back? There are no links to the Star or WIS......what/who are you doing/calling then?

Karl

Edited by fernweh 2/20/2013 1:49 PM
#211564 - in reply to #211563
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Posted 2/20/2013 8:03 PM
koly
Elite Veteran




Date registered: Jul 2006
Location: Scottsdale, AZ USA
Vehicle(s): 2000 G500
Posts: 823
500
RE: Transfer Case in Neutral - let's get scientific

fernweh - 2/20/2013 11:48 AM

You might be reading and erasing all the error codes. If they clear up and not showing up again, you are ahead of the game.....

But what to do next, when the same error code comes back? There are no links to the Star or WIS......what/who are you doing/calling then?

Karl

Here's my step-by-step process:
1. search p3 forum for codes and see if my problem has already been addressed here (many times, it has!)
2. if code is not found on p3, post a question about it
3. wait for Karl to post an answer with the proper method of repair

(actually, I wait for Karl, Dutch, hipine, J.R., Chris, etc etc etc including all the other great members of this forum who provide so much detail and information!)

Anyway, I was just adding a tip on a simple tool for reading/clearing codes as asked by thebigblue...
#211579 - in reply to #211564
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Posted 2/21/2013 6:32 PM
Otiswesty
Administrator




Date registered: Jun 2007
Location: Portland, Oregon
Vehicle(s): 463.241, 461.213
Posts: 3004
2000
RE: Transfer Case in Neutral - let's get scientific

chris505 - 2/19/2013 8:17 PM

It may help that he is a superb electrical engineer.


It's true
#211605 - in reply to #211548
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Posted 5/29/2013 3:46 PM
sam0
Member


Date registered: Oct 2011
Location: Bonny Island, Nigeria
Vehicle(s): 2003 G-500
Posts: 5

Re: Transfer Case in Neutral - let's get scientific

Hello All,

Been having the same TC in neutral issue, a couple of times it has stopped the car from moving until I put the gear in neutral and hold down the Hi/lo key for the lo to appear and then switch into Hi.

Though I have just ordered for the TC control Module and the TC motor, does any one have a step by step replacement method with pix, please.

I have the CD manual but for some reason it wont download on my computer.
#214264 - in reply to #156120
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Posted 5/29/2013 9:14 PM
4x4abc



Date registered: Apr 2006
Location: La Paz, Baja California, Mexico
Vehicle(s): 02 G500
5000
RE: Transfer Case in Neutral - let's get scientific

Hey Karl,

what's that thing in your battery box?



(Battery Box.jpg)



Attachments
----------------
Attachments Battery Box.jpg (168KB - 3 downloads)
#214269 - in reply to #211486
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Posted 5/29/2013 9:22 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
Re: Transfer Case in Neutral - let's get scientific

PSE Pump for Orthopeadic Driver's Seat??
#214270 - in reply to #156120
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Posted 5/29/2013 11:32 PM
fernweh



Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
2000
Re: Transfer Case in Neutral - let's get scientific

How about the left side, next to the battery?

Karl



(IMG_4269.JPG)



Attachments
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Attachments IMG_4269.JPG (236KB - 2 downloads)
#214278 - in reply to #214270
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Posted 6/4/2013 5:09 PM
krnnerdboy
Regular


Date registered: Aug 2011
Location: los angeles
Vehicle(s): 02 g500, 640 gran coupe, f30, m6, gt3
Posts: 55
50
Re: Transfer Case in Neutral - let's get scientific

It's been a few month since I've had any transfer case issues, and here's what I did....

Every morning before I take off I cycle my transfer case into low and then high. I have had zero issues for over 3 month. Based off the theory that the transfer case motor cycles every time the car starts, and eventually the module loses what gear the transfer case is in, which is what causes the blank screen. I'll be replacing my module with an updated one once I find one on eBay.
#214470 - in reply to #156120
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Posted 6/27/2013 10:48 PM
xplitive
Regular


Date registered: May 2013
Location: Wisconsin
Vehicle(s): 2002 G500 capri blue, grey leather
Posts: 68
50
Re: Transfer Case in Neutral - let's get scientific

the 2002 G we just purchased showed up with the annoying beeping when opening the drivers door, a blank square, and the TC in neutral message. It wasn't in neutral and before shipping, my brother mentioned he used the hand brake (emergency brake) and the noise and message went away. the previous owner also mentioned "annoying beep that showed up on occasion".. I didn't really know what this meant until trolling through the forum one night and finding this thread.

A day or two after the purchase, I was just trying out the buttons to see what worked and didn't work, discovered wouldn't shift into Low. Since I couldn't think of anything else to do, sat there for a while toggling the switch, when it did eventually shift and the L and H appeared. After cycling a few times, the thud from when it switched back into H (and around my feet) went away too. The vehicle has 57K so I suspect the switch wasn't used much but I'm not sure how the previous owner/their mechanic cleared it or the extent of the problem for them.

Edited by xplitive 6/27/2013 10:49 PM
#215283 - in reply to #156120
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