Multi Prog
Why PSA EDC16C34 Flash File Size in Multi Prog Shows 0KB?

One customer gave his feedback that PSA EDC16C34 flash file size in VVDI Multi Prog shows 0KB. He wondered if the tool won’t read this ecu. Here Xhorsevvdi tech support answers: On this ecu, flash file size is not fixed,… Continue Reading
Solved! VVDI Multi Prog Keeps losing USB Connection

Quick Question: My VVDI Multi Prog keeps losing the USB connection even during the update and then regains it again and again. I tried ports and cables on other computers and it’s still the same. Here Xhorsevvdi tech support answers:… Continue Reading
Would VVDI Multi Prog Support Wi-Fi Connection?

Quick Question : Would VVDI Multi Prog Support Wi-Fi Connection? Here is the Answer: Use wireless Wi-Fi adapter in package. Then 8-pin chip data would display on the Multi-Prog screen. *If there is a Wi-Fi password, users could only… Continue Reading
Solved! VVDI Multi Prog “Error Code: ffff55aa”

One customer asked how to authorize his new VVDI Multi Prog. The software shows “Failed to load VPA! Error Code: ffff55aa This option is not authorized”. Here Xhorsevvdi tech support answers: Synchronize this new Multi Prog. Path: Update Online>>Authorization Management>>Synchronize… Continue Reading
VVDI MULTI PROG V28 Database Add XC2XXX JTAG

VVDI MULTI PROG released V28 database, adding XC2XXX JTAG… Free Download MULTI PROG Software MULTI PROG Software *Download software and update database online V28 Database Update Info (2024-06-04) * Fixed the issue that MPC574xP series chips cannot connect + Add… Continue Reading
Solved! VVDI Multi Prog Driver Won’t Work
VVDI Multi Prog Read Write GM Delco E87 Tips

Quick Question: To clone delco e87 using VVDI Multi Prog, if I just need to copy data files and write them to ecu and it will be done? What does this prompt mean? Here is the Answer: Read password file… Continue Reading
Solved! VVDI Multi Prog Write BOSCH EDC17C74 Fail

One customer gave feedback that his VVDI MULTI PROG failed to write BOSCH EDC17C74. And what does the remaining usage times mean? Is this the problem? Here is the Answer: Change file save location to another drive instead of C… Continue Reading
VVDI MULTI PROG V26 Database Add Renesas D78FXXXX

VVDI MULTI PROG released V26 database, adding Renesas D78FXXXX… Free Download MULTI PROG Software MULTI PROG Software *Download software and update database online V26 Database Update Info (2024-05-30) * Update some options wiring diagram in <DASHBOARD>-><VW> * Fix the… Continue Reading
Solved! VVDI Multi Prog Fail to Read VAG PCR2.1

Here is a review of VVDI Multi Prog: Successfully read VAG PCR2.1. Last time failed with this ECU, and I noticed a issue with Multi Prog power adapter. That 4 amps charger is fully induction (a/c noise in output) once… Continue Reading
Solved! Multi Prog Checksum EDC16C41 Nissan Fail

Quick Question: ECU EDC16C41 Nissan, Multi Prog doesn’t calculate the checksum and says failed. Here is the Answer: Select “Diagnostic” to create a diagnostic report on desktop. Send the diagnostic file to Xhorse support. Reason: VVDI Multi Prog calculating… Continue Reading



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