How to Solve Foxflash Cannot Connect to VL300 Issue

Problem:

Have a problem connecting in bench mode with the Audi A4 TEMIC VL300 CVT transmission control unit.
Foxflash software cannot identify or read the unit.
Attaching screenshots.

Foxflash Cannot Connect with VL300 Gearbox on Bench Solution

Solution:

Foxflash will read and write Temic VL300 gearbox TCU in boot mode.

Don’t do it on bench mode. Don’t use Godiag GT107 gearbox adapter.

Follow foxflash instructions to read VL300 TCU in boot.

Instruction:

Drill a hole in the cover underneath:

DO NOT EXCEED 5 mm IN DEPTH.

To connect to the control unit use:

– Multifunction cable

– Round Pin connectors

– Needle

IMPORTANT:

SEAL THE HOLE WITH TWO-COMPONENT GLUE AFTER COMPLETION OF THE WORK.

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