LAUNCH X-431 X-PROG5 G5 Immobilizer & Key Programmer Supports Key Matching, Key Programming, ECU/TCU Cloning & Writing Updated Version of X-PROG3

This integrated design not only significantly improves working efficiency but also reduces the number of devices that technicians need to carry and operate, thereby streamlining the entire workflow for greater simplicity and productivity. The device is particularly well-suited for tackling immobilizer system issues on European vehicle models.

• One year free update, 1 year later, it’s 269 USD/ year.
• All-in-One Key Programming: Combines X-431 PROG3, PC Adapter, ECU programmer, X431 Key Programmer, and MCU3 adapter into a single device. Equipped with an integrated key programmer to effortlessly read key data, generate new keys, and unlock existing ones.
• IMMO PROG (Tablet): Enables reading, writing, and cloning of engine and transmission ECUs through the tablet device. Compatible with Multiple X-431 Series diagnostic tablets: PAD V (PAD V ELITE), PAD VII ELITE, LAUNCH X431 PRO3 V+ 5.0 Elite (Same as PRO3S+ Elite), Launch X431 Pro5 Smartlink and etc.
• Advanced ECU/TCU Cloning: Features specialized PC software for reading, writing, and cloning engine and transmission ECUs directly from your computer. It supports a broader range of ECU and TCU cloning models compared to G3.
• Tablet Compatibility: When paired with a tablet, it utilizes IMMO PROG software for efficient engine and transmission ECU data reading, writing, and cloning.
• European Vehicle Support: Fully supports European models for key matching, as well as clearing and replacing immobilizer modules.
• XPROG-5 doesn’t come with IMMO activation; please check IMMO activation here if you need to program an immobilizer key or other brands GM, Nissan, Honda, Ford, PSA, Renault, Chrysler. Toyota, Kia, Hyundai, etc.

European Vehicle Immobilizer Functions:In addition to its core functions, the G5 Anti-Theft System Programmer continuously receives firmware and software updates to introduce new features, thereby keeping pace with the rapid advancements in automotive technology. Recent additions include:

Supports key matching, immobilizer module erasing/rewriting, and immobilizer module replacement.

For Audi: MLB platform key addition function
For Volkswagen: Instrument cluster V850 support
For Volkswagen: Instrument cluster RH850 support
For Volkswagen: MQB platform all-keys-lost function
For BMW: Engine ISN code reading
For Mercedes-Benz: Transmission OBD cloning and gear selector module cloning
ID46 and ID48 transponder chip cloningAdvanced VAG (VW/Audi) Immobilizer & Dashboard Support

• Newer Dashboard Architectures: X-PROG5 fully supports data reading, parsing, and cloning for advanced VW V850 and RH850 series instrument clusters, whereas X-431 PROG3 has highly limited or incomplete coverage.
• MQB Platform Upgrades: XPROG5 fully handles MQB 5C/5D key matching and supports advanced MQB Mechanical/Smart key All Keys Lost (AKL) scenarios (including reading, writing, and parsing engine/gearbox data types). XPROG3 does not support or has very weak coverage for these.
• SIMOS Engine Cloning: XPROG5 natively supports cloning the complex SIMOS18 engine series, which is completely unsupported by XPROG3.

Deep Mercedes-Benz FBS4 & Advanced FBS3 Coverage

• FBS4 Architecture Dominance: While both tools can handle basic engine and gearbox adaptations, X-PROG5 uniquely supports cloning Mercedes FDCT, VGS4 NAG2, and VGS NAG3 gearboxes (FBS4), as well as DSM (FBS4) X-PROG3 cannot perform these operations.
• Gateway-Free FBS3 Password Calculation: For older Mercedes vehicles (W164, W169, W209, W211) in an All Keys Lost (AKL) situation, XPROG5 can calculate passwords using a gateway-free method, a convenient feature completely unsupported by XPROG3.
• EIS/EZS Module Repair: XPROG5 supports a much wider range of Mercedes electronic ignition switch (EIS) cloning compared to XPROG3’s partial support.
• Expanded Specialized Hardware Functions
• BMS Chip Support: X-PROG5 introduces dedicated Battery Management System (BMS) chip reading and writing, which is completely missing on X-431 PROG3.
• Transponder Cloning: XPROG5 can independently clone ID48/96 and ID46 key transponders, a function unsupported by XPROG3 hardware.
• BMW Alignment & Reading: XPROG5 features full stability when reading BMW Engine ISN codes, whereas X-PROG3 provides limited reliability or support on newer engines.

Comparison Between X-431 PROG5 and X-431 PROG3

Unlike Launch X-431 PROG3, which requires a tablet or PC Adapter box to function, Launch X-PROG5 is a comprehensive, standalone solution.

It seamlessly integrates the capabilities X-431 PROG3, PC Adapter, ECU programmer, X431 Key Programmer, and MCU3 adapter into a single device. Equipped with an integrated key programmer to effortlessly read key data, generate new keys, and unlock existing ones.
PROG5 offers the flexibility to work alongside a diagnostic tablet or connect directly to a computer via dedicated PC software.

Summary VerdictChoose X431 X-PROG5 programmer if you are frequently dealing with newer Volkswagen/Audi vehicles (especially those utilizing RH850/V850 dash chips or MQB platforms) and need advanced customization for Mercedes-Benz FBS4 control units or EV battery module servicing.

X-431 PROG3 remains competent for standard E/F-chassis BMWs, older Porsche models, and basic FBS3 Mercedes work, but lags significantly behind on newer security protocols.

Functions of each component in the LAUNCH X431 G5:

• Car Key Slot: For holding the car key for RF detection.
• DB26: For connecting various anti-theft wires.
• DC 14VD: For connecting a DC14V power supply.
• DB15: For connecting the vehicle diagnostic interface (DLC).
• Mercedes-Benz Key Slot: For holding the Mercedes-Benz key to perform key matching.
• Status Indicator: Power status indicator.
• DIY Slot: For connecting the anti-theft ECU pins via cable for reading and writing data.
• Latch: For securing a loose EEPROM board.
• EEPROM Slot: For inserting the EEPROM board.

Core functions of Xprog5:

• Supports cloning of engine and transmission ECUs from brands such as Bosch, Continental/SIEMENS, DELCO, DENSO, Marelli, ZF, GETRAG, and Temic, covering over 10,000 vehicle models.
• Supports reading and writing to over 3,000 chips, including encrypted chips such as RH850 and V850, as well as BMS chips.
• Comprehensive support for Volkswagen/Audi (VW/AUDI) immobilizer systems, including 3rd, 4th, and 5th generations, as well as MQB platforms; supports adding keys, full key loss recovery, and replacing immobilizer components; engine replacement and matching; cloning of various engine and transmission types; supports MQB ELV; data reading and analysis for the encrypted version of the Audi 5th-generation BCM2, and engine cloning for the SIMOS18 series and others.
• Comprehensive support for BMW immobilizer systems, including CAS1/2/3/3+ and CAS4/4+ cloning, CAS4/4+ and FEM/BDC replacement, BMW G-series chassis key programming, FRM module repair, transmission reset, and engine replacement.
• Supports for Mercedes-Benz FBS3, enabling the clearing, replacement, and cloning of various types of lock cylinders, engines, transmissions, and shift modules. Also supports cloning functions for various FBS4 engines and transmissions, including DSM, FDCT, VGS4NAG2, VGSNAG3, and other systems—all with no-disassembly clearing and customization.
• Supports key matching for Porsche models from 2011 to 2017, front- and rear-end ECU cloning, cloning of various engine and transmission types, and battery repair.
• Supports data validation for engine ECUs across all brands.
• Integrated key programmer hardware supports key blank generation and cloning of ID48/96 and ID46 key chips.
• Integrated PC cloning module supports ECU cloning via PC software, offering additional ECU cloning functions and data validation capabilities.

Q: How do I use the PC software for the LAUNCH X431 G5? Can I use the XPROG3 (G3) PC Adapter with the G5 to connect to my computer?
A: The LAUNCH X431 G5 can connect directly to the computer; a PC Adapter is no longer needed.

Q: Can the LAUNCH X431 G5 completely replace the X431 Key Programmer for key generation?
A: Yes, the LAUNCH X431 G5 supports key generation and can be used in conjunction with the X431 IMMO tool.

LAUNCH X431 G5 Product Specifications

Interface: DB26/DB15
Input Voltage: DC14V
Input Current: 500MA
Operating Temperature: 0 – 50 degrees Celsius
Storage Temperature: -20 – 70 degrees Celsius