Manufacturers: Ford, Mazda
Brand: Siemens
Model: SIM210
Function: Immo off
Emulator: No
Siemens SIM210 Immo Off: Ford Fiesta, Fusion and Mazda 2
The Siemens SIM210 ECU is used in selected petrol-powered Ford and Mazda vehicles, including the Ford Fiesta, Ford Fusion and Mazda 2. This engine control unit works with the vehicle’s immobilizer system to verify engine start authorization. Communication faults, damaged ECU data or problems involving replacement electronic components can cause immobilizer-related starting issues.
For technicians working with a compatible Siemens SIM210 ECU, immo off refers to an ECU file modification intended to disable the immobilizer authorization requirement. This is different from an immo virgin procedure, which prepares an ECU for immobilizer pairing rather than disabling authorization checks.
Siemens SIM210 Compatible Vehicles
The Siemens SIM210 ECU is associated with selected petrol-powered Ford and Mazda vehicles. The following vehicle and engine configurations are included in the supplied compatibility list:
Ford Fiesta (Mk5)
- 1.25 16V – 70 CV (51 kW) / 75 CV (55 kW)
- 1.3 8V – 60 CV (44 kW) / 70 CV (51 kW)
- 1.4 16V – 80 CV (59 kW)
- 1.6 16V – 100–101 CV (74 kW)
Ford Fusion (1st Generation)
- 1.25 16V – 75 CV (55 kW)
- 1.4 16V – 80 CV (59 kW)
- 1.6 16V – 100–101 CV (74 kW)
Mazda 2 (1st Generation)
- 1.25 16V – 75 CV (55 kW)
- 1.4 16V – 80 CV (59 kW)
- 1.6 16V – 100 CV (74 kW)
Important: These are vehicle and engine configurations from the supplied compatibility list. Not every listed variant is independently confirmed as SIM210-equipped. Verify the ECU identification, hardware version and software version before requesting file processing.
Siemens SIM210 Immobilizer File Service
CK Decode provides a professional immo off online service for ECU file processing during authorized automotive electronic repairs.
For Siemens SIM210 applications, the service is intended for technicians who have identified an immobilizer-related ECU issue and need the original ECU data evaluated for a compatible solution.
How to Perform Siemens SIM210 Immo Off with CK Decode
- Download CKDecode through this link
- Click on the Functions Tab and select Manufacturer – SIEMENS – SIM210 – Immo off
- Read Flash with your interface and upload the file
- Click Process button
- Write the file processed by CKDecode
