2026/04/01

Flex Unlock VAG Bosch MD1CS004 2022-2024 ECU

Magic Motorsport Flex 7.54.0.0 just dropped and brought RFT (Ready For Tuning) for VAG 2.0 TDI (2022-2024) locked Bosch MD1CS004 ECU.

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.

The RFT (Ready For Tuning) service for Bosch MD1CS004 (HW 05L907309AA) control units is now available for OBD programming.

How RET Works? (How to unlock 2022-2024 VAG MD1CS004 ECU with Flex)

To have an ECU unlocked:

  • Open a dedicated ticket via your Helpdesk account and follow the instructions
  • Ship the ECU to Flex
  • MMS 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

 

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

New protocol available for 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
MMS23.001 – ACTIVE RFT LICENSES

Flex Unlock VAG Bosch MD1CS004 2022-2024 ECU

What is the Difference between Topdon ONE Series?

Topdon Technology released a new ONE series professional diagnostic scanners in 2026 including Topdon ONE, ONE Lite, ONE Plus and ONE Pro. What is the difference among these scanners? Check the comparison below:

TOPDON ONE series

Topdon ONE Lite vs ONE vs ONE Plus vs ONE Pro:

ITEMTopdon ONE LiteTopdon ONETopdon ONE Plus Topdon ONE Pro
Imagetopdon one litetopdon onetopdon one plustopdon one pro
CPU8-Core 2.0GHz (MT8786)8-Core 2.0GHz (MT8786)8-Core 2.0GHz (MT8786)8-Core 2.2GHz (RK3576)
RAM4G4G4G8G
ROM128G128G128G256G
Battery10000mAh/3.8v10000mAh/3.8v10000mAh/3.8v15000mAh/3.8v
Operating systemAndroid 12.0Android 12.0Android 12.0Android 16.0
Screen size10.1 inches10.1 inches10.1 inches12 inches
TouchscreenYesYesYesYes
Screen resolution1280×8001280×8001280×8001600×1200
WiFi2.4 & 5Ghz2.4 & 5Ghz2.4 & 5Ghz2.4 & 5Ghz
CameraRear 16MPRear 16MPRear 16MPRear 16MP, Front 16MP
CommunicationBluetooth/ WiFiBluetooth/ WiFiBluetooth/ WiFiBluetooth/ WiFi
Charging dockxxxYes
VCIONE VCIONE VCIONE VCIONE VCI Pro
AutoVIN/SCAN VIN
Vehicle/Make Coverage120+120+120+120+
System CoverageAll SystemsAll SystemsAll SystemsAll Systems
System Diagnostics
Read DTCs
Freeze Frame Data
Clear DTCs
Data Stream
Bi-Directional Control/Active Test
Special Function (inside the control unit)
Hot Functions52525252
Multichannel Scanning√ (Under Development)√ (Under Development)√ (Under Development)√ (Under Development)
Live Data Fusion√ (Under Development)√ (Under Development)√ (Under Development)√ (Under Development)
Graphical Diagnostics×××
Diagnostic Topology Display
DTC Repair DataTopFix (AI)TopFix (AI)TopFix (AI)TopFix (AI)
Guided Function
Coding



Benz(SCN)
BMW/Mini
VW/Audi/Skoda/Seat
Porsche××
Nissan××
PSA××
JLR××
FORD××
Volvo××
Toyota××
Flash Hidden



Benz×
BMW×
VW/Audi/Skoda/Seat×
Porsche××
JLR××
PSA××
Nissan××
Toyota××
FORD××
Volvo××
Programming



BMW×x√ (4 System)√ (Full System)
Benz×x√ (4 System)√ (Full System)
VW/Audi/Skoda/SEAT×x√ (4 System)√ (Full System)
Nissan/Infiniti××××
Hyundai/Kia××××
Honda/Acura××××
Land Rover/Jaguar××××
Renault××××
Subaru××××
PMI Ford√ (Under Development)√ (Under Development)√ (Under Development)√ (Under Development)
PMI Mazda√ (Under Development)√ (Under Development)√ (Under Development)√ (Under Development)
PMI Opel××××
PMI Vauxhall××××
Advanced Protocol



CAN-FD
DoIP
J2534
Gateway Access



Renault
FCA√ (Europe/USA)√ (Europe/USA)√ (Europe/USA)√ (Europe/USA)
Nissan√ (Europe/USA)√ (Europe/USA)√ (Europe/USA)√ (Europe/USA)
Infiniti√ (Europe/USA)√ (Europe/USA)√ (Europe/USA)√ (Europe/USA)
VW
DVI×××
Split Screen×××
AI Voice Assistant×××
IMMO (KEY Coding)××
Battery Test√ (Optional)√ (Optional)√ (Standard with BTMobile ProS)√ (Standard with BTMobile ProS)
TopScan Master××√ (Software renewal follows ONE Plus)×
Oscillograph×××
Endoscope√ (Optional)√ (Optional)√ (Optional)√ (Optional)
QuickSupport
B/C Remote Diagnostic√ (C) (Under Development)√ (C) (Under Development)√ (C) (Under Development)√ (C) (Under Development)
Update1 Year free update1 Year free update1 Year free update1 Year free update

In sum:

Topdon ONE/ONE Lite and ONE Plus share the same hardware configuration. The ONE Pro has newer system, newer processor, larger battery and bigger storage.

The ONE Lite supports coding only for major brands (Benz, BMW, VAG). The ONE adds support for Flash Hidden functions. The ONE Plus and ONE Pro expand coding coverage to include Porsche, Nissan, PSA, JLR, Ford, Volvo, and Toyota.

Programming (ECU Flashing): The Lite and ONE offer no programming. The ONE Plus supports limited programming (4 systems for BMW, Benz, VAG). The ONE Pro offer full-system programming for more brands.

Advanced & Specialized Tools: The ONE Pro uniquely includes Graphical Diagnostics, DVI, Split Screen, an AI Voice Assistant, and an Oscilloscope. It also uses the upgraded ONE VCI Pro communication interface.

All Topdon ONE series scanners share the same core strengths: 120+ vehicle makes coverage, all-system diagnostics, 52 hot functions, CAN-FD/DoIP/J2534 protocols, and support for gateway access (FCA, VAG, Renault, Nissan). All include 1 year of free updates.