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Small ash-coloured rectangular module with connectors

Directed Electronics

Directed Electronics DB3 Universal Databus Interface Module (DEIDB3) security

SKU CH-GT90-19JFS

Connects security and remote-start systems to the vehicle databus with dual CAN transceivers, DirectLink customisation and SmartStart OBD2 support for over 95% of vehicles

  • Product typeSecurity System Accessories
  • Product colorAsh
  • Covers over 95% of vehicles on the road today
  • Dual CAN transceivers support multi-CAN vehicle architectures
  • Advanced OBD2 connectivity enables SmartStart integration
  • RSR/RXT compatibility with unique module ID for history lookup
  • DirectLink customization with XK Loader 2 support

Universal Databus Interface Module

The Directed Electronics DB3 module connects a security or remote-start system to the vehicle databus. It supports multi-CAN vehicles with dual transceivers and covers over 95 percent of vehicles on the road today. All connections match the DBALL2 layout for familiar installation.

Check vehicle compatibility

Verify that a vehicle-specific T-harness exists for the target vehicle before ordering. Ensure the security system supports RSR or RXT protocols for full feature integration. Confirm the installer has DirectLink access for customizable feature programming.

Suits installers needing broad vehicle coverage

Ideal for professionals who want a single flashable module that works with existing DBALL2 harnesses and SmartStart OBD2 connectivity. Not for buyers who need a module without RF loop support or who require a different connection pinout than the DBALL2 standard.

How it compares

Measured against everything we stock in Home Protection & Access Devices, at today’s prices. Recalculated every night.

Price $121.99
Pricier than about 67% of the 1,270 comparable items (median $64.99).

Specifications

Product
Brand nameDirected Installation Essentials
Product typeSecurity System Accessories
Product colorAsh

Questions about this item

Does the DEIDB3 module come with a T-harness or must I buy one separately?

The module is sold as a single unit; vehicle-specific T-harnesses are purchased separately and are compatible with all DBALL2 T-harnesses.

How do I decide between this module and another databus interface?

This unit covers over 95% of vehicles on the road today and supports dual CAN transceivers for multi-CAN vehicles, so it fits the vast majority of installs.

What does the 90% vehicle-compatibility figure mean when I install it?

It means the module will communicate with the databus in more than 90% of vehicles on the road today, enabling security and remote-start features through the OBD2 connection.

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