Using VXDIAG VCX NANO for GM Scanner for FSCM Programming

In August of this year, I used the VXDIAG VCX SE for GM Scanner to program the FSCM (Fuel System Control Module) in my vehicle. Although the process was a bit of a hassle, the final results were satisfactory, so I’d like to share my experience.

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I used GM's official Techline Connect software, which means there's no need to install GDS2 or anything extra; just install the VX Manager to update the device and ensure the driver is working properly. For data safety, I set up a Windows 10 Pro system specifically for this, which took quite a bit of time. However, I discovered that Techline Connect automatically uninstalls the VXDIAG software, so I opted to remove it in advance to keep the system clean.

For diagnostics, I cloned my Windows system and used a separate version to install the VXDIAG software. By following the online tutorial to disable the firewall and driver signature enforcement, the entire process went fairly smoothly.

When using VXDIAG for diagnostics, I confirmed that the issue with the new module was primarily due to the absence of pre-installed software, and communication with the ECU was fine. This relieved my concerns, especially since I was worried that the previous short circuit might affect other components.

The programming process required a fee of 59 CAD for the official GM license. Considering the cost of towing and the potential for scrapping the vehicle, it was a worthwhile expense. My truck had already been sitting at a friend's house for a month, which was quite frustrating.

Overall, the VXDIAG VCX SE tool proved to be quite useful, especially in a critical moment when it helped me get my vehicle back on the road. While the programming process certainly took some effort, for me, it was a worthwhile investment. I hope my experience can provide some assistance to others facing similar FSCM issues.

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