Launch X431 X-prog3 programmer is very good at ECU/TCU cloning. Here comes an example of Mercedes Benz VGS NAG3 gearbox cloning. Device required: Launch X431 X431 PAD VII /PAD V series or IMMO series tablet ( IMMO PLUS / IMMO Elite /IMMO Pro) Launch X-Prog3 programmer Launch MCU3 adapter Original VGS3 gearbox New VGS3 gearbox need to replace *To perform ECU/TCU cloning function with X-prog3 you should have X431 PAD or IMMO series tablets. X431 V/V+/Pros with X-prog3 won’t do ECU cloning. Select IMMO Prog function Connect X-PROG3 with IMMO Plus ( connection instruction ) Select Gearbox->Benz->VGS-NAG3->View Wiring Diagram->Connect to MCU3 adapter plate Connect VGS gearbox with X431 IMMO Plus tablet follow the wiring diagram Connect Gearbox Do a Backup full data Read and save flash data Disconnect old VGS NAG3 gearbox Connect new VGS NAG3 gearbox need to be replaced Backup full data of the new VGS NAG3 Select Restore complete da...
Launch X431 Pro Mini, Pro, Pros V, V+, PAD V, PAD VII Full System Diagnostic Tool User Manual, Vehicle List, Registration, Upgrade and Review