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The LAUNCH X-431 IMMO PLUS is a professional automotive diagnostic and key programming platform designed for auto locksmiths, automotive technicians, diagnostic specialists and independent repair workshops.

Combining full-system vehicle diagnostics, advanced immobiliser functions and the LAUNCH X-PROG3 programmer, the X-431 IMMO PLUS provides a powerful all-in-one solution for key programming, immobiliser work, ECU/TCU operations and vehicle diagnostics.

The system supports vehicles across European, Asian and American markets, with coverage continuing to expand through software updates.

Professional IMMO & Key Programming

The X-431 IMMO PLUS provides dedicated immobiliser and key programming functions for supported vehicles, including:

• Key matching and key learning
• Key programming and adding keys
• All-keys-lost procedures on supported vehicles
• Immobiliser system identification
• Immobiliser password/data reading on supported vehicles
• Remote control matching
• Key chip reading and writing
• Immobiliser module replacement
• Immobiliser ECU-related operations
• EEPROM and MCU data reading/writing
• Supported ECU and TCU replacement and cloning procedures

LAUNCH currently specifies 60+ vehicle brands with IMMO functions, covering a wide range of European, Asian and American vehicles. Coverage varies by manufacturer, model, year and immobiliser system.

X-PROG3 Included

The supplied LAUNCH X-PROG3 expands the capabilities of the IMMO PLUS beyond conventional diagnostic scanning.

Depending on the supported vehicle/ECU, X-PROG3 can be used for:

• Key chip operations
• EEPROM reading and writing
• MCU reading and writing
• Engine ECU reading/writing
• Transmission/TCU ECU operations
• Immobiliser data operations
• ECU/TCU cloning
• Immobiliser module replacement
• Bench programming procedures

LAUNCH also specifies support for bench-mode cloning of a large range of Bosch and Siemens engine ECUs and gearbox ECUs, with the supported list continuing to develop through software updates.

Advanced ECU & TCU Functions

The X-431 IMMO PLUS supports a range of advanced ECU-related procedures on compatible vehicles, including selected:

• VW/Audi MQB engine ECU replacement and cloning
• VW/Audi MQB gearbox ECU replacement and cloning
• Audi 0AW/0B5 gearbox ECU replacement
• VW/Audi fourth-generation UDS engine ECU reading, writing and cloning
• Bosch ME17, MED17, EDC17 and MEVD17 ECU families
• Selected Siemens ECUs
• Selected ZF, DQ and other transmission ECUs

Important: ECU/TCU functions are application-dependent and must be checked against the specific vehicle, ECU part number and current LAUNCH software coverage before performing programming or cloning work.

Full-System Vehicle Diagnostics

The X-431 IMMO PLUS is not just a key programmer. It also provides comprehensive diagnostic functions across the vehicle’s electronic systems.

LAUNCH specifies basic full-system diagnostic coverage for 110+ vehicle brands, including functions such as:

• Read ECU information
• Read and clear diagnostic trouble codes (DTCs)
• Live data / data stream
• System and component testing
• Vehicle health checks
• VIN-based vehicle identification
• Bi-directional / active testing on supported vehicles
• ECU coding and adaptation functions where supported

The tool supports modern communication protocols including CAN FD and DoIP.

39 Service & Maintenance Functions

The X-431 IMMO PLUS provides quick access to 39 service and maintenance functions, with availability depending on the vehicle.

Examples include:

• Oil/service reset
• Electronic parking brake (EPB) reset
• Battery registration
• Steering angle reset
• ABS bleeding
• Throttle adaptation
• DPF functions
• Injector coding
• Brake pad reset
• Tyre pressure/TPMS-related functions
• Suspension-related functions
• Maintenance light reset

The exact service functions available depend on the vehicle manufacturer, model and software coverage.

Key Features

One Professional Tool for Diagnostics & IMMO

The X-431 IMMO PLUS combines:

Advanced diagnostics + key programming + immobiliser functions + ECU/TCU programming

This makes it suitable for workshops that need more than a conventional OBD diagnostic scanner.

Broad Vehicle Coverage

• 60+ brands with dedicated IMMO functions
• 110+ brands with diagnostic coverage
• European, Asian and American vehicle coverage
• Coverage expanded through software updates

Modern Vehicle Communication

Supports modern communication technologies including:

• CAN
• CAN FD
• DoIP
• Bluetooth VCI communication

VIN Intelligent Identification

The tool can use VIN identification to help quickly select the correct vehicle and diagnostic system.

Hardware Specifications

These specifications correspond with LAUNCH’s published X-431 IMMO PLUS specifications.

X-PROG3 Programmer

The included X-PROG3 features dedicated connections and interfaces for professional immobiliser and ECU work, including:

• Vehicle key slot
• Mercedes-Benz infrared key slot
• Key chip slot
• Anti-theft/IMMO cable connection
• EEPROM/MCU programming connections
• ECU/IMMO data operations
• 12 V power connection

It is designed to work with the X-431 IMMO PLUS platform for supported key, immobiliser and ECU programming applications.

What’s Included

The standard X-431 IMMO PLUS package includes:

• LAUNCH X-431 IMMO PLUS diagnostic tablet
• LAUNCH X-PROG3 immobiliser programmer
• Wireless VCI connector
• Diagnostic/OBD cable
• USB Type-A to Type-C cable
• Power adapter
• X-PROG3/IMMO cables and accessories
• Non-16-pin adapter cable kit
• Password envelope

Package contents may vary depending on the current LAUNCH bundle/production batch. Please check the supplied package before publishing a definitive accessory list.

Software Updates

2 years of software updates included.

Updates can add new vehicle coverage, diagnostic functions, immobiliser applications, ECU/TCU support and additional special functions.

After the included update period expires, the tool can generally continue to operate with the software already installed; a renewal is required to receive subsequent software updates and newly released coverage. Exact update and licensing conditions are subject to LAUNCH’s applicable software and regional terms.

Who Is It For?

The LAUNCH X-431 IMMO PLUS is designed for:

• Automotive locksmiths
• Vehicle diagnostic specialists
• Independent garages
• Automotive repair workshops
• ECU/TCU specialists
• Key programming professionals
• Technicians working with immobiliser and anti-theft systems

Why Choose the X-431 IMMO PLUS?

Instead of using a separate diagnostic scanner, key programmer and ECU programming solution, the X-431 IMMO PLUS brings these functions together in one professional platform.

With the included X-PROG3, broad vehicle coverage, full-system diagnostics, advanced IMMO functions and ECU/TCU programming capabilities, it is designed as a versatile workshop solution for modern vehicle electronics.

Please note: Key programming, immobiliser, coding, ECU cloning and programming functions are vehicle- and system-dependent. Always verify compatibility with the specific vehicle, model year, ECU/IMMO system and software version before carrying out programming work.

2 Year Free Online Updates.
1 Year warranty and after warranty service available.
Price Inc. VAT and Postage (VAT Receipts Available)