Launch X431 X-PROG 3 IMMO Coverage: Cars, Systems, MCU, EEPROM

Launch X431 XPROG 3, the next generation of X431 XPROG key programming adapter, adds much more EEPROM, MCU reading writing function as well as Mercedes Benz infrared key reading and writing, BMW engine ISN code reading, read engine in Bench mode and other functions. The BOSCH engine control module can also be adapted to the vehicle, both new and used.

(Read the comparison between X431 XPROG 3 and X431 XPROG)

X431 Xprog 3 Coverage 01

X431 Xprog 3 Coverage 02


Here we go for Launch X431 XPROG 3 Coverage in details:

Good to know:

X431 XPROG 3 can be used with any kinds of X-431 products without binding including X431-Throttle, X431-Throttle III,  X431-Torque, X431-Torque III, X431-Turbo, X431-PAD II AE, X-431 PRO GT, X-431 PRO V4.0, X-431 PRO 3 V4.0, X-431 PRO 5, X-431 PAD III V2.0, X-431 PAD V, X-431 PAD VII


  1. X431 XPROG 3 compatible car makes:

VW, AUDI, SKODA, Seat, BMW, Mercedes-Benz, Porsche (IMMO coverage is most European cars)

To check detail X-PROG3 Immobilizer key programming list, check list on the official website

or check this list

Launch X431 X-PROG3 Car and EEPROM List.xlsx



  1. X431 XPROG 3 accessible systems:

Automatic Transmission, Instrument System, CAS, Body System, Lock System, etc.


  1. X431 X-PROG 3 can read and write the following ECU MCU (over 1,000 product models)
Atmel NSC
Fujitsu Philips
Infineon Renesas M16
MC68HC05 Renesas M32
MC68HC08 Renesas M32R
MC68HC11 Renesas R32C
MC68HC12 Renesas R8C
Renesas V850 SPI
MicroChip Renesas V850 UART
Nordicv Samsung


  1. Launch X-PROG 3 can read and write the following EEPROM (over 1,000 product models)
4Wire GI Numonyx SST
Adesto GigaDevice OKI ST
AKM Grundig ON Semi Toshiba
Altera HOLTEK Other Winbond
Amic Hynix PCT Xicor
Atmel I2C Philips xUSSR
Catalyst KHIC PMC Spansion
Chingis Macronix Ramtron SPI
Dallas/Maxim MicroChip Rohm NEC
EON Micron Samsung NSC
ESMT MicroWire Seiko Ford
EXEL Mitsubishi Siemens Fujitsu
Fairchild Motorola Sony


Please follow the below 2 images to connect the XPROG 3 to the car, to the X431 tool, to the key:

X431 Xprog 3 Coverage 01 X431 Xprog 3 Coverage 04


More details at:


Check also: new IMMO prog software function introduction