Bosch DQ38x 2022+

New AT Protocol!

VAG DQ38x 2022+ (401 Loader): The solution is here! ⚙️🚀

Have you been waiting for a solution for the infamous 401 bootloader on the latest Golf 8, Formentor, or S3? It’s now fully supported on AutoTuner!

Affected TCU Identification:
🔍 Sboot: BH1G0401
🔍 Software: starts with FL_0GC906

Method: Bench Unlock then Flash via OBD! 🔌

Hardware: A new dedicated DQ38x cable is available in our shop (Note: not required if you already own the AutoTuner DSG Kit!).

Take control of the shifting performance on the latest 2.0 TSI and 2.0 TDI engines.

#AutoTuner #VAG #DQ381 #DQ38x #0401 #G401 #G04loader #TCUTuning #DSG #Golf8R #Formentor #Chiptuning

The AT Team

Key Features

• Type: Transmission Control Unit (TCU) ⚙️
• Mode: BENCH NR, OBD VR 🔌
• Readout (OBD): Calibration 🧩
• MCU: SH72549 🖥️
• Read time (BENCH): 3min 30sec ⏱️
• Write time (BENCH): 30sec ⏱️
• Write time (OBD): 1min 30sec ⏱️
• Checksums correction ✅
• Back to stock function (OBD only) 🔄
• Backup creation (BENCH only) 🔄

⚠️ This protocol requires one of those specific cables: 

👉 Bench cable for DQ38x DSG

👉 DSG bench cables kit

Compatibility List*

🚗 Audi Models: A1 (2018) / A3 (2012 – 2019) / A4 (2008 – 2018) / A5 (2011 – 2016) / A6 (2011 – 2018) / Q2 (2016 – 2021) / Q3 (2011 – 2018) / Q5 (2012 – 2017) / S3 (2020) / SQ2 (2018) / TT (2018) / TT S (2018)
🔧 Audi Engines: 2.0 TSI / 40 TFSI (2.0) / 2.0 TDI CR EU6 / 2.0 TFSI OPF / 40 TDI (2.0) / 40 TFSI (2.0) EU6d / 2.0 TSI EU6d / 45 TFSI (2.0) / 2.0 TSI R EU6d / 2.0 TFSI (S) EU6d / 45 TFSI (2.0) EU6d

🚗 Cupra Models: Ateca (2019) / Formentor (2020) / Leon (2020)
🔧 Cupra Engines: 2.0 TSI EU6d / 2.0 TDI CR EU6 / 2.0 TSI VZ / 2.0 TSI

🚗 Seat Models: Alhambra (2015) / Ateca (2016 – 2020) / Leon (2013 – 2020) / Tarraco (2019)
🔧 Seat Engines: 2.0 TDI CR EU6 / 2.0 TFSI OPF / 2.0 TDI CR EU6.2 / 2.0 TSI EU6d / 2.0 TSI FR

🚗 Skoda Models: Karoq (2017 – 2022) / Kodiaq (2017 – 2023) / Octavia (2013 – 2020) / Superb (2015 – 2019) / Yeti (2008 – 2014)
🔧 Skoda Engines: 2.0 TDI CR EU6 / 2.0 TFSI OPF / 2.0 TDI CR EU6.2 / 2.0 TSI EU6d / 2.0 TSI / 2.0 TSI RS / 2.0 TSI EU6

🚗 Volkswagen Models: Arteon (2017 – 2020) / Atlas (2018) / Caddy (2015 – 2021) / Coccinelle / Beetle (2011) / Golf (2012 – 2024) / Golf Sportvan (2014) / Jetta (2010 – 2018) / Lavida (2018) / Passat (2015 – 2023) / Passat CC (2013) / Polo (2021) / Scirocco (2014) / Sharan (2015) / T-Roc (2017) / Talagon (2021) / Taos (2020) / Tavendor (2022) / Tayron (2018) / Teramont (2018) / Tharu (2018) / Tiguan (2016 – 2021) / Touran (2016) / Viloran (2020)
🔧 Volkswagen Engines: 2.0 TDI CR EU6 / 2.0 TFSI OPF / 2.0 TDI CR EU6.2 / 2.0 TSI R / 2.0 TSI EU6 / 2.0 TSI EU6d / 2.0 TFSI EU6 / 2.0 TSI / 2.0 TFSI (ClubSport) / 2.0 TSI GTI / 2.0 TSI R 20 Years / 2.0 TSI (GLI) / 2.0 TSI EU6 (380) / 2.0 TSI 4 motion / 2.0 TSI R EU6d / 330 TSI

*The list may evolve over time.