VXDIAG VCX FD SPS2 Cyber Security Access Failure Solution


One of our customers got the VXDIAG VCX FD unit without license and set up the vcx fd as a J2534 passthru for Techline Connect SPS2.

But he had no luck with SPS2 programming.

E4492: Cyber Security Access Failure
E4423: Unknown reprogramming error 5 at step 0

Vxdiag Vcx Fd Gm Sps2 Programming Failed


To use VCX FD (or VCX SE/VCX NANO) with GM Techline Connect SPS2, you must have GM license activated.

You cannot use VCX FD as a J2534 device for SPS2 without GM license.