Manufacturer: VAG (VW, AUDI, SKODA, SEAT)
Brand: SIEMENS
Model: SIMOS 18.1
Function: Immo off
Emulator: No
Siemens Simos 18.1 Immo Off: Immobilizer solution for VAG group ECUs
Need to disable the immobilizer on your Siemens Simos 18.1 ECU? We offer a reliable, software-based immo off solution tailored for this ECU series, widely used across Volkswagen Group vehicles—including Audi, VW, Skoda, SEAT, and Porsche models.
The Simos 18.1 ECU, manufactured by Continental, is a high-performance control unit found in a wide range of VAG vehicles equipped with 1.8L and 2.0L TSI/TFSI petrol engines, particularly turbocharged variants. These ECUs often power AWD (4Motion or Quattro) and performance trims.
Supported vehicle models with Simos 18.1
Our immo solution supports a wide range of vehicles equipped with the Siemens Simos 18.1 ECU. Below is a selection of compatible models:
- Audi:
- S3 8V1 (2013–2017) – 2.0 TFSI Quattro
- TTS Coupe/Roadster 8S3/8S9 – 2.0 TFSI
- A4 B8/B9 (2013–2016) – 2.0 TFSI
- Q3/Q5/Q7 – 2.0 TFSI Quattro
- TT 8S – 2.0 TFSI Quattro
- Volkswagen:
- Golf Mk7 (2013–2017) – GTI, R, R360
- Passat B8 (2015) – 2.0 TSI 4Motion
- Jetta, Sagitar, Vento – 2.0 TSI
- Beetle & Beetle Cabriolet – 2.0 TSI DSG
- Polo GTI Mk5 (2014) – 1.8 TSI
- Scirocco – 2.0 TSI BlueMotion
- Tiguan – 2.0 TSI 4Motion
- Skoda:
- Octavia RS (5E3/5E5) – 2.0 TSI
- Superb (3V3/3V5) – 2.0 TSI 4X4/6AT
- SEAT:
- Leon Cupra/SC/ST (5F1/5F5/5F8) – 2.0 TSI, 4Drive variants
How to immo off SIMOS 18.1 with CK Decode
CK Decode platform offers a reliable immo off file service, ideal for professionals needing quick and secure solutions. Performing an immo off restores ECU functionality and simplifies diagnostics or swaps.
CK Decode provides a user-friendly interface for online immo off procedures, with accurate support for Siemens SIMOS 18.1 and other ECUs.
To disable the immobilizer using CK Decode, follow these steps carefully:
- Download CKDecode through this link
- Click on the Functions Tab and select VAG – Siemens – SIMOS 18.1 – Immo off
- Read MPC with your interface and upload the file
- Click Process button
- Write the file processed by CKDecode
