V10.40 Software Update:
1. Added read and write, personalization, clearing function for BOOT mode Benz transmission ECU VGS4-0-NAG2, VGS4-500-NAG2.
2. Added BENCH mode Cadillac, Chevrolet transmission ECU T87A read and write function.
3. Added read and write function for BENCH mode Great Wall transmission ECU 7DCT450.
4. Added read and write function for BENCH mode Great Wall, Geely engine ECU MG1US008/MG1UA008.
5. Optimized BMW E83 data read issue.
6. Optimize the expired device usage status so that when the device is in the expired state, the functions released before the expiration can still be used. New updates are restricted to download when the free subscription is expired.
ECU Name | ECU Type | ECU Brand | FLEX |
EDC16XX | ECM | Bosch | Support |
EDC17XX | ECM | Bosch | Support |
MD1CSXXX | ECM | Bosch | Support |
MD1CPXXX | ECM | Bosch | Support |
ME17.X.X | ECM | Bosch | Support |
MED17.X.X | ECM | Bosch | Support |
MED9.X.X | ECM | Bosch | Support |
MEV17.X.X | ECM | Bosch | Support |
MEVD17.X.X | ECM | Bosch | Support |
MG1CSXXX | ECM | Bosch | Support |
MG1CPXXX | ECM | Bosch | Support |
MSDXX | ECM | Continental/SIEMENS | Support |
MSVXX | ECM | Continental/SIEMENS | Support |
SDIX | ECM | Continental | Support |
GM EXX/TXX | ECM | DELCO | Support |
SIM271XX | ECM | Continental | Support |
SIMOS12.X | ECM | Continental | Support |
SIMOS8.X | ECM | Continental | Support |
SIMOS-PCR2.X | ECM | Continental | Support |
6HPXX | TCM | ZF | Support |
8HPXX | TCM | ZF | Support |
7DCT300 | TCM | ZF | Support |
9G Tronic | TCM | Bosch | Support |
ALXXX | TCM | ZF | Support |
TCXX | TCM | Bosch | Support |
DPS6/DC4 | TCM | GETRAG | Support |
DKG | TCM | GETRAG | Support |
DLXXX | TCM | Temic | Support |
DQXXX | TCM | Temic | Support |
MPS6 | TCM | GETRAG | Support |
SPS6 | TCM | GETRAG | Support |
VGSX | TCM | GETRAG | Support |
VL381 | TCM | Temic | Support |
GM 6TXX/6LXX | TCM | DELCO | Support |
MEDG17.9.8 | TCM | Bosch | Support |
MEG17.9.2 | TCM | Bosch | Support |
Software Use Guide:
Firstly, connect the X431 ECU &TCU Programmer to the computer with a cable. Then, click to enter the software. The serial number will be automatically recognized from the X-431 ECU &TCU Programmer, and the activation code needs to be obtained from the envelope bar of the X-431 ECU&TCU Programmer.
Click [Activate] to activate (only activate once, no need to activate again later), as shown in Figure 1. Without connection, you cannot access the software, as shown in Figure 2.
Item | Launch X-prog3 (Hardware work with X431 Tablet) | Launch X-prog3 PC Software |
Interface Photo | ![]() |
![]() |
Read/Write EEPROM | Yes | Yes |
Read/Write MCU | Yes | Yes |
Read/write key | Yes | Yes |
Unlock/renew key | No | No |
Mercedes Key | Yes | Yes |
Key Simulator | Yes | Yes (part of) |
VAG IMMO4 Dump Mode All Keys Lost | Yes | Yes |
Read ECU on bench mode | Yes | Yes |
Read ECU in Boot mode | Yes | Yes |
VAG IMMO4 All key lost without login | Yes | Yes |
Read and Write Gearbox TCU | Yes | Yes |
Copy remote | No | No |
Read/Write Key | Yes | Yes |
Read BMW ISN code | Yes | Yes |
Read BNW CAS4+, FEM chip | Yes | Yes |
Read Audi EZS | Yes | Yes |
OBD Read MED17 ECU | Yes | Yes |
VAG IMMO4 UDS engine replacement | Yes | Yes |
VAG MQB ECU, TCU, ELV replacement | Yes | Yes |
Renew Mercedes Engine/Gearbox | Yes | Yes |
Read VW Audi IMMO5 and MQB Gearbox FLASH & EEPROM | Yes | Yes |
Read VAG MQB NEC35XX IMMO Data | Yes, with built-in sync data calculator | Yes |
Read and write BMW FRM (Repair Footwell module) | No | No |
Standalone | No, with Launch X431 Tablet | on PC |
Renew BMW F series 6HP | Yes | Yes |
Renew BMW F/G series 8HP | Yes | Yes |
Renew BMW E series 8HP gearbox | Yes | Yes |
Clone VW, Audi engine ECU | Yes | Yes |
Mercedes key learning | Yes | Yes |
Update | Update via Launch X431's tablet, need subscription when free update expires | 1 year free update, need subscription later |