Autotuner Update VAG MD1CS004 MD1CS104 Full Bench Coverage

By | June 25, 2026

VAG DIESEL EVOLUTION: Full BENCH coverage for Bosch MD1CS004 & MD1CS104!

Already using our OBD solution for certain MD1CS004 H80 variants? It’s time to level up! Many recent software versions were left locked due to factory updates.

Thanks to the Mail-in Unlock service on your AutoTuner Tool, we are smashing those limits: you now gain full Bench access, covering ALL MD1CS004 versions previously unsupported via OBD, while adding the brand-new MD1CS104 (up to 2025 models)!

Protocol Highlights:

  • Mode: Bench NR (After Mail-in Unlock)
  • Insane Speeds: Read ~2 min | Write ~30 sec
  • Safety: Full Backup creation (Bootloader + SW + Cal) & automated Checksums.

Endless Fleet Coverage:

  • VAG 2.0 TDI (30/35/40 TDI & GTD): Golf 8, Passat, Tiguan, Formentor, Octavia, and the new 2025 VW Tayron.
  • Heavy-duty Vans: Transporter T6/T7, VW Crafter, MAN TGE.
  • Ford Clones: Transit & Tourneo 2.0 EcoBlue.

Send the ECU to our headquarters for a secure hardware unlock. Once back, confidently flash 100% of the lineup on your workbench using your Tool!

 

A secure workflow (Mail-in – Bench): To safely bypass the toughest factory protections on these modern 2.0 TDI CR engines (EA288 evo generations and beyond), a seamless two-step workflow is now available:

  1. Mail-in Unlock: Send the ECU to our headquarters for a secure hardware unlock by our engineering specialists.

  2. Bench: Once returned to your shop, software locks are a thing of the past. You gain unrestricted Bench NR access to read and flash directly on your workbench!

Coverage Highlights (2.0 TDI / 2.0 EcoBlue Engines):

  • Audi: A3, A4, A5, A6, A7, Q2, Q3, Q5, SQ5 (30/35/40 TDI variants) — from 2012 to 2025 models.

  • Volkswagen: Golf (7, 8 & GTD), Passat, Tiguan, Arteon, Caddy, T-Roc, and the brand-new Tayron (2025).

  • Commercial Vehicles: Transporter / Multivan (T6/T7), VW Crafter (2023+), MAN TGE (2023+).

  • Cupra, Seat & Skoda: Formentor, Leon, Ateca, Tarraco, Octavia, Superb, Kodiaq, Karoq.

  • Ford (Shared platform): Tourneo Connect & Transit Courier (2.0 EcoBlue).

Update your software today and confidently unlock 100% of Europe’s most popular diesel segment!

Key Features

  • Type: Engine Control Unit (ECU)
  • Mode: BENCH NR 
  • MCU: TC298 / TC389 – HW80
  • Read time: 2min
  • Write time: 30sec
  • Checksums correction
  • Backup creation
  • Mail-in Unlock required

Compatibility List*

Audi Models: A3 (2012 – 2024) / A4 (2008 – 2018) / A5 (2011 – 2024) / A6 (2011 – 2025) / A7 (2018) / Q2 (2016) / Q3 (2011 – 2025) / Q5 (2012 – 2024) / SQ5 (2019)
Audi Engines: 2.0 TDI / 2.0 TDI CR EU6 / 30 TDI (2.0) / 35 TDI (2.0) / 40 TDI (2.0)

Cupra Model: Formentor (2020 – 2025)
Cupra Engine: 2.0 TDI CR EU6

Ford Models: Tourneo Connect (2021) / Transit Courier (2023)
Ford Engine: 2.0 EcoBlue

MAN Model: TGE (2023)
MAN Engine: 2.0 TDI CR EU6.2

Seat Models: Alhambra (2015) / Ateca (2016 – 2020) / Leon (2013 – 2020) / Tarraco (2019)
Seat Engines: 2.0 TDI CR EU6 / 2.0 TDI CR EU6.2

Skoda Models: Karoq (2017 – 2022) / Kodiaq (2017 – 2023) / Octavia (2013 – 2020) / Superb (2015 – 2023) / Yeti (2008 – 2014)
Skoda Engines: 2.0 TDI CR EU6 / 2.0 TDI CR EU6.2

Volkswagen Models: Arteon (2017 – 2020) / Caddy (2015 – 2021) / Coccinelle / Beetle (2011) / Crafter (2023) / Golf (2012 – 2024) / Golf Sportvan (2014) / Jetta (2010 – 2014) / Passat (2015 – 2023) / Passat CC (2013) / Scirocco (2014) / Sharan (2015) / T-Roc (2017) / Tayron (2025) / Tiguan (2016 – 2024) / Touran (2016) / Transporter / Multivan / Caravelle (2015 – 2021)
Volkswagen Engines: 2.0 TDI CR / 2.0 TDI CR EU6 / 2.0 TDI CR EU6.2 / 2.0 TDI GTD

*The list may evolve over time.

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