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How to change Ford VCM2 serial number

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OEM V101 VCM2 IDS for Ford Diagnostic Tool Free Shipping (Same as SP177-C/SP177-C1)

OEM V101 VCM2 IDS for Ford Diagnostic Tool Free Shipping (Same as SP177-C/SP177-C1)   Item No. SP177

Latest price:€159.00 Buy It Now:€139.00 13% off    Free Shipping       Click Here to Shop
As OEM diagnostic tool for Ford, VCM II provides full dealer diagnostic capabilities for most 16 pin Fords, including Ford vehicles from old to latest. Read/Clear DTCs, program ECUs, keys, PCM, ABS, Instrument Cluster, Air Bag, Injector Coding and so on. More function are added.
This tool is the same as SP177-C/SP177-C1, same function.

Description

Thread: How to change VCM2 serial number, enter test mode, and get a root shell

Posted by ColtB45,big thanks!
src: https://mhhauto.com/Thread-VCM2-Hacking

YOU ARE TRYING ON YOUR OWN RISK!

Here you are:
I have figured out how to change the serial number of the VCM2 as well as enter test mode, and get a root shell on it.
 
You'll need a microSD card for this to work.

1. Use IDS 86.
2. Recover your VCM2.
a. Describing how to recover is beyond the scope of this post. Search the forums for instructions.
b. After recovery your VCM2 should be at VCM2 FW version 2.1.1.5.
3. Wait about 90 seconds after the VCM2 beeps before proceeding. We are waiting for the SD card to be populated.
4. Unplug the VCM2 and eject the SD card.
5. Mount the SD card with a linux machine.
6. On the SD card open 'apps/vci-diags/hwtest-scripts/self-test.sh' for editing.
7. Add the following line to the file:

touch /etc/vci/config/testmode

8. Cleanly unmount the SD card and insert it back into the VCM2.
9. Plug the VCM2 unit into the computer and wait 90 seconds past beep before proceeding.
10. Launch IDS.
11. Go to system utilities
ford-vcm2-hacking-1

12. Select 'Launch Monitor Tool' and confirm on the pop up.
13. Select 'Run System Diagnostics' > 'Next' > 'Test a VCM II Module' > 'Next'
ford-vcm2-hacking-2
14. Once the test completes unplug, wait a couple seconds, and then re-plug the VCM2 into the computer.
15. Wait about 15 seconds past when the VCM2 beeps and point your browser to http://192.168.171.2
ford-vcm2-hacking-3
You are now in the test mode web server.
a. To set a new serial number select 'Set New Serial Number' and proceed with serial number setting.
The default serial number is: 1211-31605352
b. To get a root shell Telnet to 192.168.171.2 you will be dropped to a root shell without providing login credentials.
c. To stay in testmode at next reboot select 'Set Repair Test Mode'. This has to be done once per boot or you will have to go through this whole process to re-enable test mode.
 
Here Be Dragons:
To those who would go poking around, tread carefully. I accidentally ran cgi-bin/total-reflash and wiped my VCM2.

My bootloader was still intacted and available on pins 24 & 25 of the HDL26-PL-B connector.
 
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