Launch X431 MCU3 Adapter for X-PROG3 GIII for Mercedes All Keys Lost, BMW BDC2 Add Key and ECU TCU Reading

Launch MCU3 Adapter works with X-PROG3 as readings of new ECUs TCM, Mercedes all keys lost etc.It's optional part.

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Launch X431 MCU3 Adapter for X-PROG3 GIII – Mercedes-Benz All Keys lost & ECU/TCU Reading

To program Mercedes-Benz vehicles in "all keys lost" scenarios using the X431 V, X431 V+, Pro5, Pros, Pro3S, X431 PAD V, PAD VII, or X-PROG3 GIII, you must correctly connect the MCU3 adapter to the X-PROG3.

Adapter board code: 307140131

Applications and Advantages of the MCU3 Adapter

  • ADAS (Advanced Driver Assistance Systems)
  • Audi/VW MQB gearbox replacement
  • BMW Continental MSV90 engine ECU replacement and cloning
  • Peugeot key programming
  • Mercedes-Benz transmission deletion and operating instructions for VGS/NAG2, VGS2/NAG2, and VGS3/NAG2
  • Mercedes-Benz W164 (2009) key programming
  • Volkswagen/Audi 5th generation engine data reading via direct connection, plus online programming and coding
  • BMW E-chassis 8HP EGS deletion
  • BMW 8HP F and G chassis delete function
  • CAS4/CAS4+ all-keys-lost key programming and key addition
  • CAS1, CAS2, CAS3, CAS3+ lost key programming and key addition
  • CAS4 immobilizer module replacement
  • Volkswagen/Audi engine replacement and MED17/EDC17 data reading
  • Mercedes-Benz MED9.7 ECU deletion
  • Volkswagen/Audi 4th generation instrument cluster replacement
  • Volkswagen/Audi MED17.5.22 engine replacement
  • Porsche Cayenne (2011–2017) lost key programming and key addition
  • E39 AC Delco cloning and virginization
  • Power shift cloning and virginization
  • Nissan ECU and TCM conversion, virgin ECU programming, and calibrations
  • Special features for Chrysler, including AutoAuth FCA SGW registration
  • Special features for GM and Ford

Connection Diagram

When to Use the MCU3 Adapter

1. BENCH Mode for ECU Cloning

Use the BENCH mode to clone the ECU module when either:

  • The 120 ohm resistor is connected as shown in Figure 1, or
  • The +12V power supply is connected to the IMMO programmer board.

In these cases, the IMMO programmer MCU3 adapter board (with its own power supply) can be used, as shown in Figure 2.

Figure 1:

Figure 2:

2. Mercedes-Benz All Keys Lost – Key Learning

For Mercedes-Benz vehicles with all keys lost, use the connection shown in Figure 3 when performing key learning on the platform.

Figure 3:

Package Includes

1 pc × IMMO programmer MCU3 adapter board kit

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Tags: Launch MCU3 Adapter for Mercedes all keys lost, MCU3 Adapter X-PROG3 GIII ECU reading , Launch X431 MCU3 for BMW BDC2 key add
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