CAN-BLOCK
Stealth security module designed to help mitigate keyless relay attacks. Choose your model/year to confirm availability.
Targeted protection - Isolates the vehicle's keyless/KVM path when parked.
Stealth install - Small, hidden module; no changes to the interior.
Set-and-forget - Arm/disarm by simple switch/trigger (installer-configurable).
Made by Blackbox - Engineered by the team behind Nanocom.
Interrupts the CAN communication path to the keyless entry/ignition module when armed.
Helps defeat relay/amplifier attacks and CAN-line injection aimed at unlocking or starting.
Leaves normal vehicle operation intact when disarmed.
Note: CAN-BLOCK is a supplementary security layer. It does not replace factory immobilizers or good security practices.
1. Installer mounts the compact module in a hidden location near the relevant ECU/kick panel.
2. Two inline CAN wires are intercepted (model-specific).
3. A discreet toggle/valet switch or trigger line is wired to arm/disarm.
4. When armed, the target path is blocked; when disarmed, the circuit is transparent.
Designed for keyless-equipped Land Rover/Range Rover platforms (see compatibility table on this page).
Coverage varies by model/year; use the Model/Year selector to confirm.
Not intended for vehicles without keyless/KVM.
Professional install recommended (basic CAN wiring; trim removal).
Typical time: 45-90 minutes, depending on model.
Includes pinout/loom guide for supported platforms.
CAN-BLOCK module.
Pigtail harness/flying leads (variant-dependent)
Quick install guide/wiring diagram (model-specific)
Compatibility (CAN-BLOCK)
Select the correct CAN-BLOCK kit for your vehicle.
| Model | Years | Engine/ECU | SKU | Price | Action |
|---|---|---|---|---|---|
| Discovery 4 | 2010 - 2014 | — | AC035 | $116.35 Plus import taxes and duties | |
| Discovery Sport | 2014 - 2019 | — | AC035 | $116.35 Plus import taxes and duties | |
| Evoque | 2011 - 2017 | — | AC035 | $116.35 Plus import taxes and duties | |
| Freelander 2 | 2007 - 2009 | — | AC035 | $116.35 Plus import taxes and duties | |
| Freelander 2 | 2010 - 2010 | — | AC035 | $116.35 Plus import taxes and duties | |
| Freelander 2 | 2011 - 2012 | — | AC035 | $116.35 Plus import taxes and duties | |
| Freelander 2 | 2013 - 2013 | — | AC035 | $116.35 Plus import taxes and duties | |
| Range Rover L322 | 2010 - 2012 | — | AC035 | $116.35 Plus import taxes and duties | |
| Range Rover L405 | 2013 - 2016 | — | AC035 | $116.35 Plus import taxes and duties | |
| Range Rover Sport | 2012 - 2012 | — | AC035 | $116.35 Plus import taxes and duties | |
| Range Rover Sport | 2014 - 2014 | — | AC035 | $116.35 Plus import taxes and duties |
Will it affect normal driving?
No. When disarmed, the CAN line is transparent and the car behaves normally.
Does it trigger faults or lights?
When installed correctly, no. The block is only active when armed/parked.
Can I still use my key fob?
Yes - when disarmed. When armed, the KVM path is blocked by design.
Is it compatible with aftermarket alarms/trackers?
Usually yes - your installer can wire CAN-BLOCK alongside other systems.
Is it visible to thieves?
It's a hidden module with no cosmetic changes; placement guidance is included.