AMPIRE WFS400 PRO (Car and Van) with Installation


  • No cables in the vehicle are cut during installation
  • Immobilisation by CAN data communication with the control button of the car
  • 1 to 15-digit PIN code via CAN and LIN Bus supported buttons in the steering wheel or dashboard
  • The WFS400-PRO electronics cannot be tracked in the vehicle
  • The immobiliser cannot be bypassed electronically
  • No radio signals are sent or received
  • No additional remote controls or transponders are needed
  • Uses the vehicle’s own CAN and LIN data bus
  • Silent operation without relay click noise
  • PIN code can be changed at any time
  • Service mode for garages or valet parking
  • “Blocking” input for external control via optional GSM module
  • Deactivate immobiliser by using the optional WFST400 Transponder
  • Deactivate immobiliser by using Apple iPhone or Android Smartphone connected to the App
  • TASSA approved and accredited installation included

Optional Extras




Disarm using button Sequence
Disarm using optional tag
Disarm using Mobile linked to APP
No transmitted RF Signals
Undetectable using diagnostics
Service / Valet Mode
Wide range of vehicles supported
Small and hidden anywhere in vehicle
No wire cuts
Stops key cloning
Subscription free
Nationwide installation included
TASSA Approved
RRP Price £449 £399 £449 £499


The CAN BUS FIREWALL is probably the first retrofittable immobiliser that communicates bi-directionally over up to two CAN bus and one LIN bus data system. This digital immobiliser helps protects your car from theft, Key cloning, Keyless range extension, learning vehicle keys, hacking the key code from the vehicle key, and even stealing the owner’s key. Only towing the car is still possible because a car thief will never be able to drive away with your car. The all new WFS400-PRO is the third generation of the CAN BUS FIREWALL protection and is a vastly improved version on its predecessor in many ways, and in its functionality.

The WFS400-PRO does not require additional remote controls, transponders, or driver cards. No flashing LED or keypads can lead to the installation of the device located in your vehicle. In addition, the electronics are extremely compact, so the installation can be covertly hidden within the vehicles wiring harness. The system is armed automatically when the ignition is switched off.

To disarm the system, you have use existing switches within your vehicle. You can designate your code using buttons on the steering wheel, the navigation or in the dash. The available buttons are vehicle specific, which are listed in the compatibility list. You must enter this code before each trip. The combination you choose is like entering the PIN for your credit/debit card.

In addition, the WFS400-PRO uses Bluetooth technology. You can deactivate this immobiliser either by switches in your car or wirelessly via Bluetooth. You can either use the optional transponder WFST400 or any compatible Apple iOS / Android smartphone.

The AMPIRE WFS400-PRO is now TASSA approved. After rigorous testing, the immobilisers have passed all the tests first time. TASSA is an insurance recognised body for testing immobilisers. If your insurance company requires a TASSA approved immobiliser, then security4vehicles can supply and install, but you will need to add the approved TASSA installation option to your order. Only TASSA accredited installations will be registered on the international database as well as be police and insurance approved. The additional £20 as an extra is not only peace of mind but potentially save you more on insurance.


With our professional installation team of expert fully qualified auto electricians, our engineers will make sure you and your vehicle receive the right care and attention to detail with no unsightly wires or holes in the interior, looking as good as new. To reiterate all cables are concealed. We will ensure that you are 100% happy with your immobiliser system on completion. As soon as your order has been placed, we will arrange for the engineer to install at a location and time to suit you.

We can install your system at any location convenient to you anywhere in the UK. The process is as follows:

  1. Place your order.
  2. We will contact you to get more details such as car make, model and registration and confirm where you would like the installation to take place.
  3. We will then contact you directly to arrange a convenient date and time to suit you.
  4. We aim to install your immobilser system as quickly as possible after ordering. However, this is dependent on both customer vehicle and installation engineer availability.
  5. The engineer will bring the immobiliser.


  • Operating voltage 9-16 VDC
  • Sleep current <0.3mA
  • Working current <26mA
  • Dimensions 25x20x7mm
  • Weight 21g (module with wiring loom)


  • Immobiliser electronics with wiring loom
  • Instructions
  • One AMPIRE car window warning decals


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