Manufacturer: VAG (VW, Audi, Skoda, Seat)
Brand: Siemens
Model: SIMOS 7.1 – 7.1A
Function: Immo off
Emulator: No
Siemens SIMOS 7.1 / 7.1A ECU Immo Off Solution
Need an immobilizer (immo off ) solution for Siemens Simos 7.1-7.1A ECUs? Whether you’re dealing with a damaged transponder, replacement ECU, or race/off-road conversion, our tested method ensures complete immo deactivation for vehicles across the VW Group. This solution is specifically engineered for ECUs manufactured by Continental and used widely in 1.6L petrol VAG engines.
Supported vehicles with Simos 7.1 – 7.1A
Below is a selection of vehicle models equipped with Siemens Simos 7.1 / 7.1a ECUs:
Volkswagen
- Golf Mk4, Mk5, Mk6 (1J, 1K1, 5K1) – incl. Golf Plus and Variant (1J5, 1K5, AJ5, 521)
- Polo Classic & Variant (6V2, 6V5) – 2000
- Bora(1J2, 1J6, 1K5)
- Jetta (1J5, 1K)
- Touran (1T1, 1T2)
- Passat B6 – sedan & variant
Audi
- A3 8L, 8P – including Sportback (8PA) and Tiptronic/S-Tronic variants
Skoda
- Octavia (1U2, 1Z3, 1Z5) and Combi variants
Seat
- Leon (1M1, 1P1)
- Altea (5P1, 5P5)
- Toledo (1M2, 5P2)
- Cordoba (6K2)
- Ibiza (6K1)
Immo off SIMOS 7.1 – 7.1A: step by step with CK Decode
Through its advanced immo off software, CK Decode offers reliable solutions that remove immobilizer restrictions without compromising performance.
When performing immo off on Siemens SIMOS 7.1 – 7.1A using CK Decode, a methodical approach ensures proper results. Below is a concise introduction to guide you through each crucial step:
- Download CKDecode through this link
- Click on the Functions Tab and select VAG (VW, Audi, Skoda, Seat) – BOSCH – SIMOS 7.1 – 7.1A – Immo off
- Read EEPROM with your interface and upload the file
- Click Process button
- Write the file processed by CKDecode
