Here is the working solution to Mercedes-Benz MB Star diagnostic SD Connect C4 DoIP HHT-WIN software communication error: ‘Internal fault Diagnosis Multiplexer Code 10766’.
Solution:
1). Find and run Hyper-V manger in Windows Administrative Tools
2) Select Virtual Switch Manager
3). Select Ether and press OK
4). Select your external network connection type
5). Open Network & Internet Settings
6) Select Ethernet- Change adapter options
7). Select vEtherent and Properties
Double click Internet Protocol Version 4 (TCP/IPv4) and press OK to save
9) Go to IP address setting.
Set IP address as following
IP address: 172.29.127.124
Subnet mask: 255.255.0.0
Save setting.
Now MB SD Connect C4 HHT-WIN software should be working fine.
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A customer has a problem with the V2021.12 MB Star SD Connect C4 diagnostic hard drive on Lenovo X220 laptop. HHT-WIN failed to access Mercedes w210 and reported the error “Internal fault Diagnosis multiplexer code 10766”
Here comes the solution from OBD2.LTD engineer:
Enable virtualization on Lenovo X220 X240 laptops as following:
Power on laptop
Press F1
Go to Security Setting- Virtualization
Enable both Intel (R) Virtualization Technology and Intel (R) VT-d Feature
Press F10 to save setting
Run HHT and try again.
If still get the same error, this version of HHT does not work on your laptop.
V2021 version mb star hdd HHT-WIN is affected by the computer configuration. If laptop’s configuration can support HHT, then it will work, otherwise it won’t work. It usually does not work properly on Lenovo T410, X200, Dell D630 laptops. V2021 HHT has been tested without problem on Levono T440, T430 laptops.
V2022.03 and up new xentry hdd has better compatibility with laptops. Our engineer tested V2022 HHT-WIN works without problem on x200 and t440, t430 laptops.
If your HHT is not working, change a higher configuration laptop or get a 2022 version HDD/SSD.
Problem:
I bought the MB Star diagnosis SD connect C4 diagnostic system. I have installed the XDOS 2015.12V DAS Xentry on Dell D630 laptop, but it gave me two errors:
Error 1:
HHT-WIN display error “Internal fault Diagnosis multiplexer Code:10766”
Error 2:
Fault (1.2) Initialization of diagnosis multiplexer failed.
Possible reason:
1: HHT error: 2015.12 or newer 2016V Star diagnosis software does not come with HTTWIN software. If you need to troubleshoot old Mercedes, better go for Star software pre-2015.09V.
2.Multiplexer failed: We can see from the error screenshot, MB SD connect C4 icon didn’t show on the status bar which indicates you have not set the SD Connect C4 correctly, so the MB SD C4 is not well communicate with vehicle.
http://blog.mbstartool.com/2016/09/24/mb-star-hht-internal-fault-code-10766/
A customer has a problem with the V2021.12 MB Star SD Connect C4 diagnostic hard drive on Lenovo X220 laptop. HHT-WIN failed to access Mercedes w210 and reported the error “Internal fault Diagnosis multiplexer code 10766”
Here comes the solution from OBD2TOOL engineer:
Enable virtualization on Lenovo X220 X240 laptops as following:
Power on laptop
Press F1
Go to Security Setting- Virtualization
Enable both Intel (R) Virtualization Technology and Intel (R) VT-d Feature
Press F10 to save setting
Run HHT and try again.
If still get the same error, this version of HHT does not work on your laptop.
V2021 version mb star hdd HHT-WIN is affected by the computer configuration. If laptop’s configuration can support HHT, then it will work, otherwise it won’t work. It usually does not work properly on Lenovo T410, X200, Dell D630 laptops. V2021 HHT has been tested without problem on Levono T440, T430 laptops.
V2022.03 and up new xentry hdd has better compatibility with laptops. Our engineer tested V2022 HHT-WIN works without problem on x200 and t440, t430 laptops.
If your HHT is not working, change a higher configuration laptop or get a 2022 version HDD/SSD.
If you want to know more about mercedes star diagnostic, please visit our website: obd2tool.com
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MB STAR HHT Internal Fault Diagnosis Multiplexer Code 10766
June 19, 2019
MB STAR
0
Problem:
I bought the Mercedes Star Diagnostic SD connect C4 diagnostic system. I have installed the XDOS 2015.12V DAS Xentry on Dell D630 laptop, but it gave me two errors:
Error 1:
HHT-WIN display error “Internal fault Diagnosis multiplexer Code:10766”
Error 2:
Fault (1.2) Initialization of diagnosis multiplexer failed.
Possible reason:
1: HHT error: 2015.12 or newer 2016V Star diagnosis software does not come with HTTWIN software. If you need to troubleshoot old Mercedes, better go for Star software pre-2015.09V.
2.Multiplexer failed: We can see from the error screenshot, MB star Compact C4 icon didn’t show on the status bar which indicates you have not set the SD Connect C4 correctly, so the MB SD C4 is not well communicate with vehicle.
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