Flex version 7.54.0.0 is now available
The RFT (Ready For Tuning) service for Bosch MD1CS004 (HW 05L907309AA) control units is now available for OBD programming.
The new Flex update 7.54.0.0 has just been released, allowing you to manage the unlocking of protected ECUs installed on numerous VAG Group vehicles with 2.0L TDI engines produced between 2022 and 2024.
How RFT works
To have an ECU unlocked:
- Open a dedicated ticket via your Helpdesk account and follow the instructions
- Ship the ECU to us
- Our team will securely perform the certified unlocking.
- You will receive the ready for programming ECU.
What is the RFT service?
The RFT – Ready For Tuning service enables you to perform advanced operations on protected ECUs once the unlock procedure is completed, making them available for reading and writing via Flex.
Access to the Service
The service is available for:
- Full Master Licenses
- Full Slave Licenses
- Active RFT Licenses
Costs
- 150 Green Coins per unlock
For active Master customers: Up to 1 free unlock per month through the Green Coins included in your subscription
New protocol
VAG Bosch MD1CS004 TC298 (05L907309AA)
✔ Virtual Read, Write, Checksum, Maps
Here are some of the supported vehicles:
- Audi A3 (IV) 2.0L 35 TDI 16v 148HP (2020MY)
- Cupra Formentor (II) 2.0L TDI 16v 148HP (2024MY)
- Seat Leon (IV) KL 2.0L TDI 16v 114HP (2020MY)
- Skoda Octavia (IV) 2.0L TDI 16v 148HP (2020MY)
- Volkswagen Golf (VIII) 2.0L GTD 16v 197HP (2020MY)
The new protocol is available in the following software packages:
OBD
- FLS0.1M – Flex ECU SW (car, van, bike) OBD/Bench Master
- FLS0.1S – Flex ECU SW (car, van, bike) OBD/Bench Slave
- FLS0.5M – Flex Full Master SW
- FLS0.5S – Flex Full Slave SW
- *ACTIVE RFT LICENSES
New protocols added
OBD
- VAG Bosch MD1CS004 TC298 (05L907309AA) Read/Write/Checksum Calculation Maps
Writing Time: 1 minutes 30 seconds



