Product Description
- Launch X-431 ECU & TCU Programmer supports ECUs data reading & writing quickly, including reading the chip ID and backing up the EEPROM data, backing up the FLASH data and restoring EEPROM/FLASH data.
- Checksum Correction Function: Ensure the validity of ECU data. When you write data to a new ECU, it will automatically check the data for you to ensure that the ECU can function properly.
Launch X431 ECU & TCU Programmer Standalone PC Version Supports Checksum Correction, IMMO OFF
Launch X-431 ECU & TCU Programmer supports ECUs data reading & writing quickly, including reading the chip ID and backing up the EEPROM data, backing up the FLASH data and restoring EEPROM/FLASH data. There are two methods to read various vehicle brand ECUs info. The X431 ECU & TCU Programmer also supports Data Processing, anti-theft shutdown and file verification. The X431 ECU & TCU Programmer optimizes data transfer speed between ECU and PC. Users can use the multilingual software of the PC (can be find from "download") to read, write and query ECU data by using the programmer to connect a ECU with your PC. The programmer is characterized by Immobilizer shutoff, file checkout and data cloning. Besides, more expandable gearbox adaptor cables can be purchased separately.
Highlights:
1. X-431 ECU & TCU Programmer is the
First IMMO PC Box
2. Read, write, and clone operations for ECU and TCU are achieved through
BENCH and BOOT modes. Facilitating easy replacement of new or used components, saving costs and complexity of OEM programming.
3.
Checksum Correction Function: Ensure the validity of ECU data. When you write data to a new ECU, it will automatically check the data for you to ensure that the ECU can function properly.
4. Support IMMO off function for MEDC17 ECUs, VAG MEDC17 ECU clone
5. Brand Type: Bosch, Continental, Siemens, Delco, ZF, GETRAG, Temic
4. Multi-language support: English, German, Italian, Spanish, Portuguese, Arabic, French, Russian, Korean, Japanese
5. 1 Year Free Update. $150 per year later. you can update it online directly on your device, no renewal card for the ECU Programmer
Tips:
1. X431 ECU TCU Programmer Software download link: https://en.cnlaunch.com/products-detail/i-243.html
2. Operation System: on Win7/Win10
3. Its capabilities encompass not only engine control units but also extend to transmission control units, with optional Gearbox Connectors Package.
4. Download, Install, Update and Activate Launch X431 ECU & TCU Programmer Software
5. CG FC200 ECU Programmer vs Launch X431 ECU Programmer
Product Features:
1. 2D menu, clear and easy to choose
2. Powerful search function
3. Convenient modification of ECU data
4. USB communication, with a speed more than three times that of Android devices, making it more stable
5. Easy to copy data
6. Support engine data validation function
7. One year free update
Software download link: https://en.cnlaunch.com/download
PC Software Description:
Firstly, connect the X-431 ECU&TCU Programmer to the computer with a hole wire. 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.
I.ECU Data Reading/Writing
1. Obtain the related ECU.
(1) Method 1: Obtain the desired ECU type through brand > model > engine > ECU in turn, as shown in Figure 3.

(2) Method 2: Query the desired ECU by entering a value in the search box. The search categories includeBosch number and Search, as shown in Figure 4. For example, search for the MED17.5.25 engine by Search, as shown in Figure 5.
2. Click [Direct Connection Diagram] to obtain the ECU connection diagram, as shown in Figure 6.
3. Connection: Connect the ECU and PCBOX according to the information provided in the connection diagram. The physical connection diagram of MED17.5.25 (using the BENCH mode line) is shown in Figure 7, and the physical connection diagram using the gearbox adapter is shown in Figure 8.

4. Read the chip ID, as shown in Figure 9.
5. Back up the EEPROM data and save it, as shown in Figure 10 (the figure shows the save page of the read data).
6. Back up the FLASH data and save it, as shown in Figure 11 (the figure shows the process of reading FLASH data).
7. Restore EEPROM/FLASH data, as shown in Figure 12 (the figure shows the file selection page).
II. Data Processing
1. Click the [Data Processing] button on the main page, as shown in Figure 13, and select [IMMO Off and File Verification] ([DTC Shield] is not currently supported), as shown in Figure 14.
2. File verification and IMMO off (process: select file > connect network to obtain > save file), as shown in Figure 15.
Support list June 2023:
| 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 |
Package Includes:
1pc x the host
1pc x jumper
1pc x MCU cable
1pc x EU adapter
1pc x US adapter
1pc x power supply cable
1pc x USB cable
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If you have any questions about the device, the price or the payment, please feel free to contact us.

E-Mail:Sales@carTool.co.uk
Whatsapp: 86-18186167299
Shipping & Delivery
We offer multiple shipping options to meet your needs, with clear timelines and tax policies as follows:
- UK Warehouse Shipping
- Delivery time: 24 to 48 hours
- Key advantage: Tax-free; most items are in stock at our UK warehouses for fast fulfillment.
- EU Warehouse Shipping
- Delivery time: 2 to 5 working days
- Key advantage: Tax-free; most items are in stock at our EU warehouses for fast fulfillment.
- 4PX Express (UK Exclusive)
- Delivery time: 7 to 10 working days
- Key advantage: Tax pre-paid by us; no additional tax or fees upon package arrival.
- Yanwen Express (European Countries)
- Delivery time: 7-15 working days
- Key advantage: IOSS-registered shipment; items declared under 150EUR are tax-paid by us, no extra costs for EU customers.
- DHL Shipping
- Delivery time: 5-7 working days
- Applicable scenario: For items out of stock in the UK/EU warehouse.
- Key note: We will declare a reasonable lower value on the invoice to facilitate customs clearance.
Important Reminder: If you haven’t received your package within the estimated delivery time, please contact us promptly to check the status via online customer service or email: sales@cartool.co.uk.
Technical Support
- For issues such as failed software download from the included CD, or needs for software installation guidance:
- Please send an email to sales@cartool.co.uk. We will provide remote assistance via TeamViewer to resolve your problem efficiently.
