LAUNCH has released new function updates for its IMMO diagnostic software and X431 X-PROG5 key programmer. The latest update expands key programming and immobilizer coverage for Renault and Mercedes-Benz models.

1. Renault IMMO Software V10.61
The latest Renault IMMO software update adds several new key programming functions:
- One Click Key Programming is now available for all supported Renault models.
- Online Gateway Unlock has been added for Renault Captur II and 15 additional models from 2020 onwards.
- OBD All Keys Lost support is now available for Captur II, Kwid from 2022 onwards, and more than 28 related models.
These updates provide expanded coverage for key programming and gateway-related operations on supported Renault vehicles.
2. Mercedes Benz IMMO Software V10.70
The Mercedes-Benz IMMO software has also received a function update.
- One Click Key Programming has been added for all supported Mercedes-Benz models up to 2014.
The update provides a more streamlined key programming process for compatible Mercedes-Benz vehicles.
Update Recommendation
If you use LAUNCH IMMO software or LAUNCH X-PROG5 for key programming, check for the latest software version before starting a job. Updating the relevant software can provide access to newly added vehicle coverage and functions.
| Brand | Function | Version | Supported Models |
| IMMO PROG | Simos18.1 engine ECU (ECM) boot-mode read/write & cloning | V10.26 | VW / Audi / Porsche 1.8T+ engines (2014–2018) |
| Fiat | Body Control Module (BCM) chip read/write for Fujitsu MB91F526 & NXP MC9S12XEG384 MCUs | V10.65 | Fiat Argo (2017–2025), Cronos (2017–2025), Toro (2016–2025), Pulse (2021–2023) |
| Volkswagen | MQB platform 5C/5D immobilizer key programming | V10.26 | Volkswagen (2018–), Audi (2019–) |
| Volkswagen | Renesas D70F3624 VW MQB steering column lock (ESL) bench read & IMMO decryption | V10.26 | VW MQB platform models (2012–2017) |
| VW / Audi / Porsche | Simos18.1 engine ECU (ECM) immobilizer data decryption | V10.26 | VW / Audi / Porsche 1.8T+ engines (2014–2018) |
| Mercedes-Benz | VGS2-FDCT transmission control unit (TCU) EEPROM data repair | V10.26 | Mercedes-Benz TCUs (2015–2017) |
| Nissan | HFM (R7F7010193, R7F7010253) & UCH (R7F7010563) BCM bench chip read for PIN code & replacement | V10.26 | Nissan AKL IMMO PIN read & BCM replacement (2020–) |
| Renault | HFM (R7F7010193, R7F7010253) & UCH (R7F7010563) BCM data read/write | V10.26 | Renault AKL PIN read & BCM replacement (2020–) |
How to Update IMMO Software
1. For Launch X431 IMMO Plus IMMO Elite:
Just connect the device to Wi-Fi, open the Software Update center on the main home screen, and download the latest IMMO and X-PROG5 packages to activate these new features.
2. For Launch Advanced Diagnostic CRP919 BT series tablet with X-PROG3:
Such as X431 PAD V, PAD VII, PRO5, PRO3 APEX, PROS Elite, PRO Elite, CRP919E BT/CRP919X BT…
Ensure you have available one year or two years Launch X431 IMMO Software Activation for the supported X431 tablet, so that you can download the latest IMMO software.
If you don’t have IMMO software license, click here to buy and activate the related IMMO license, then update IMMO software using [Software Update] function.
How to Update Launch XPROG5 ECU Clone Software
Download the latest X431 ECU Clone Software here or visit https://en.cnlaunch.com/products-detail/i-243.html#pro download to download the software pack depending on which language you desire.

After installation, run ECU Clone software to perform [Firmware Upgrade] process.

Read also:
How to Register and Activate LAUNCH X-PROG5 on PC






