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2010 ml350 4matic "Drive to workshop" fault code

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Old 05-28-2022 | 04:19 AM
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From: Houston Tx
2010 Mercedes ML350 4matic w164
2010 ml350 4matic "Drive to workshop" fault code

Hello guys. I purchased a donor DSM , sent it and original off to Dearborn, MI for SCN cloning. Reinstalled donor DSM module. Now I get Drive to workshop fault and beeping soon as I open car door. No key in switch. Does this indicate a short circuit somewhere.

After I first put part back on the cable wasn't on all the way. I got fault code " No communication with TCM. jacked it up again and made sure cable on. Ran icarsoft E660 diagnosed not getting that fault now. Car would start but not go in gear. After 4 or 5 times taking key out and restarting engine I did got " CAN communication loss" fault. Does this mean I have a short circuit in the GATEWAY CONTROL MODULE Unit? ,causing "Drive to shop " when car door is opened, and the intermittent fault, "CAN communication loss"?

UPDATE:
Also got fault code " Teminal 30 low voltage " or similar message.

UPDATE:
I did take the battery out and fully charged it. Explained fault code "Terminal 30 low voltage. Alternator reading 14.3 volts. Let it set for overnight now battery completely dead again. What could be draining battery? I know its related to "DRIVE TO WORKSHOP " as soon as car door opened. Apparently this stays on and draining battery. Just need help in validation of this conclusion.

Thanks

Last edited by Topshelf100; 05-28-2022 at 04:36 AM. Reason: Update
Old 05-28-2022 | 05:06 AM
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You must R&I the ISM/DSM again and follow instructions to a "T" especially step #14 in the first PDF. If you used short cuts in R&I, you have problems.
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Old 05-28-2022 | 07:18 AM
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2010 Mercedes ML350 4matic w164
Originally Posted by Maj. Dundee
You must R&I the ISM/DSM again and follow instructions to a "T" especially step #14 in the first PDF. If you used short cuts in R&I, you have problems.
yes

I have already removed original DSM, shipped it and replacement donor to ebay cloning serviceserIt was programmed a mailed back.. I reinstalled on Ml350. Thats when the it gave fault. Drive to workshop when ever door is opened.. No key in ignition.
Old 05-28-2022 | 08:06 AM
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Originally Posted by Topshelf100
yes

I have already removed original DSM, shipped it and replacement donor to ebay cloning serviceserIt was programmed a mailed back.. I reinstalled on Ml350. Thats when the it gave fault. Drive to workshop when ever door is opened.. No key in ignition.
Well, the only thing I can think of is the cloning wasn't done correctly or you didn't install it correctly.
Old 05-28-2022 | 10:45 AM
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This place is a joke.
I've seen nothing but problems with cloned/wiped ecu's. Did you relearn the shift positions with Xentry? Did you plug in the original ISM (leave the new one installed for now) and see if the same thing happens? How did you diagnose the original failure? Are you just throwing parts/money/time at the car? ISM failures are actually quite rare, especially on a 2010.

Last edited by E55Greasemonkey; 05-28-2022 at 10:53 AM.
Old 05-28-2022 | 11:52 AM
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From: Houston Tx
2010 Mercedes ML350 4matic w164
Did you relearn the shift positions with Xentry?

Originally Posted by E55Greasemonkey
I've seen nothing but problems with cloned/wiped ecu's. Did you relearn the shift positions with Xentry? Did you plug in the original ISM (leave the new one installed for now) and see if the same thing happens? How did you diagnose the original failure? Are you just throwing parts/money/time at the car? ISM failures are actually quite rare, especially on a 2010.

I need to relearn the shift positions with Xentry? This step I have not done. New part is still on car. I'll see if I can get a mobile mercedes tech using xentry in Houston TX.

Last edited by Topshelf100; 05-28-2022 at 11:58 AM.
Old 05-28-2022 | 11:56 AM
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Originally Posted by Topshelf100
I Did to relearn the shift positions with Xentry? This I have not done. New part is still car. I'll see if I can get a mobile mercedes tech using xentry in Houston TX.
I diagnosed the original ISM got fault code for A80. But after installing the donor/cloned I got fault code "CAN communication loss", did some research and it points bad gateway control module.
Old 05-30-2022 | 11:38 AM
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This place is a joke.
Central Gateway is in the driver's side floorboard, it rarely goes bad.... Unless your floor pans are full of water. Have you checked both driver and passenger sides for water intrusion? You can't throw parts at these cars for CAN communication errors, which you are learning hopefully. This requires a professional and experienced diagnosis which often costs less than buying random parts plus the time you are wasting.
​​​​​​

Last edited by E55Greasemonkey; 05-30-2022 at 11:42 AM.
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Old 06-07-2022 | 10:30 PM
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2010 Mercedes ML350 4matic w164
Step 14

Hello maj Dundee

You must R&I the ISM/DSM again and follow instructions to a "T" especially
step #14 in the first PDF. If you used short cuts in R&I, you have problems.
Okay,

I ordered the 722 assembly tool 🔧 for turn transmission gear on its way. Question: to put in the P position can I just turn it counterclockwise as the instructions say. Does the key need to be in the ignition, turned to position 1 or 2. Or will it let me turn idle sitting? I'm taking you advice putting original back on and found a mobile tech to run xentry on it afterwards. Just want clarification on right way to turn transmission ⚙ gear into the P position for original ISM.

Thanks
Old 06-08-2022 | 04:28 AM
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2002 ML 320 & 2006 ML500
Originally Posted by Topshelf100
Hello maj Dundee

You must R&I the ISM/DSM again and follow instructions to a "T" especially
step #14 in the first PDF. If you used short cuts in R&I, you have problems.
Okay,

I ordered the 722 assembly tool 🔧 for turn transmission gear on its way. Question: to put in the P position can I just turn it counterclockwise as the instructions say. Does the key need to be in the ignition, turned to position 1 or 2. Or will it let me turn idle sitting? I'm taking you advice putting original back on and found a mobile tech to run xentry on it afterwards. Just want clarification on right way to turn transmission ⚙ gear into the P position for original ISM.

Thanks
In the first pdf step 2 says to remove the battery ground, Do so, then insert the key and see if you can turn the key.

Understand that I have just supplied the procedures and I have not had this problem on my vehicle.

Last edited by Maj. Dundee; 06-08-2022 at 04:32 AM.
Old 07-19-2023 | 01:26 AM
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From: Houston Tx
2010 Mercedes ML350 4matic w164
Hello Mbworld,
2010 ML350 4matic W164 all Dash panel lights flash on, then into limp mode. I disconnected battery for 2 mins and able to drive home normally. This happens intermittently now. Scanned with Icarsoft E660 only 1 fault code 91B6 (CAN controller: CAN bus Off, In the case of the fault' Bus Off ' the control module is isolated from the CAN bus because of a major communication fault) . Did some CAN Network research on troubleshooting CAN H and CAN L with Gateway and suggest possible short circuit and/or short to ground of CAN H to CAN L.
To diagnose with ohm meter and hopefully locate short circuit In need of the ML350 4matic W164 wiring diagram and/or CAN network diagram. If anyone has wiring diagram I really appreciate a copy.


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