VXDIAG GM SPS Online Programming E4399 Server Error Solution

Problem:

I try to read e38 ecm flash online with VXDIAG VCX NANO GM and  SPS  (Service Programming System) subscription.

It failed me and dislayed an error: E4399 Server Error. Reading ECU data from device or controller failed.

vxdiag-gm-E4399-Server-Error

Solution:

To perform VXDIAG GM Online programming and access SPS, you have to install PassThru driver first.

volvo-passthru

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