Replacing a damaged Mercedes-Benz VGS4-0 NAG2 (7G-Tronic Plus) transmission control unit no longer requires costly dealer online authorization. With Yanhua Mini ACDP2, key technicians and transmission specialists can complete full IMMO and coding data cloning in minutes!
Choosing Your Tool Setup: Module 16 vs Module 46
Yanhua offers two flexible hardware options depending on your shop’s needs:
- Yanhua ACDP Module 46 (With License A107):
The ultimate dedicated solution for MB VGS4-0-NAG2(4-4) TCU virginizing, personalization, and cloning. No third-party devices needed.
- Yanhua ACDP Module 16 (With License A101):
The all-rounder module for workshops servicing various Mercedes transmissions, including VGS-FDCT, 722.8 FCVT, and 722.9 VGS2/VGS3 systems.
👉 Smart Buying Tip: Already own Module 16? Save money by purchasing only Module 46 License (A107)! Your current Module 16 bench board is 100% compatible.
Easy 3-steps Replacement Procedure
1. Connection
Connect ACDP2 unit to the VGS4 interface board and TCU. Ensure the jumper cap is shorted to CAN-R for bus stability.
2.Read & Backup
- Access BENZ -> Gearbox refresh -> VGS4 NAG2 -> Identify Info.
- Select Step 1 and Step 2 separately to back up original coding (…coding.bin) and IMMO data (…OrigImo.bin) .
3.Donor Renewal & Flashing
Connect donor TCU and execute Step 3 to automatically back up and refresh the unit.
Write original IMMO (Step 4) and original coding (Step 5).
Perform a final identification check to confirm successful data transfer!
