BOSCH MED17.5.20 Immo Off: VAG (VW, AUDI, SKODA, SEAT)

Immo MED17.5.20 Bosch

Manufacturer: VAG (VW, AUDI, SKODA, SEAT)

Brand: BOSCH

Model: MED17.5.20

Function: Immo off

Emulator: No

Bosch MED17.5.20 Immo off

The Bosch MED17.5.20 ECU, used in 1.4 TSI and TFSI engines across the VAG group (Volkswagen, Audi, Skoda, SEAT), is known for advanced anti-theft protection. This guide explains how to perform a safe and effective immo off using the CKDecode software—no need for emulators or soldering.

Whether you’re replacing a faulty ECU or resolving key sync issues, this process restores functionality quickly and reliably.

Common vehicles with the MED17.5.20 ECU include:

  • Audi A1 8X 1.4 TSI/TFSI
  • Audi A3 8P 1.4 TFSI/TFSI
  • Seat Altea/Altea XL 5P1 1.4 TSI/TFSI
  • Seat Ibiza 6J 1.4 TFSI/TFSI
  • Seat Leon 1P/5F 1.4 TFSI/TFSI
  • Seat Toledo 5P/KG 1.4 TFSI/TFSI
  • Skoda Octavia 1.4 TFSI/TFSI
  • Skoda Rapid 1.4 TFSI/TFSI
  • Skoda Superb 1.4 TFSI/TFSI
  • Skoda Yeti 1.4 TFSI/TFSI
  • VW Eos 1.4 TFSI/TFSI
  • VW Golf V,VI & VII 1.4 TFSI/TFSI
  • VW Jetta 1.4 TFSI/TFSI
  • VW Passat B6/B7 1.4 TSI
  • VW Polo 6R 1.4 TFSI/TFSI
  • VW Scirocco 1.4 TFSI/TFSI
  • VW Tiguan 1.4 TFSI/TFSI

How to immo off MED17.5.20 with CK Decode

To disable the immobilizer on a Bosch MED17.5.20 ECU using our immo off file service, follow these simple steps:

  • Download CKDecode through this link
  • Click on the Functions Tab and select VAG – Bosch – MED17.5.20 – Immo off
  • Read Flash with your interface and upload the file
  • Click Process button
  • Write the file processed by CKDecode