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Small black rectangular module with wiring harness

code alarm

Code Alarm FLDL1 door lock interface GM immobilizer bypass

SKU CH-1VNW-X9DDS

Web-programmable door lock interface and GM immobilizer bypass for over 1200 non-CAN vehicles from 2001 onward with single-wire DBI connection

  • Product typeCar Alarms
  • Web-programmable door lock integration simplifies installation
  • Universal data interface supports over 1200 non-CAN vehicles from 2001
  • Immobilizer bypass module enables remote start compatibility
  • Single-wire DBI connection works with Audiovox security systems
  • Door lock convenience interface adds vehicle control features

Universal Data Doorlock Interface

The Code Alarm FLDL1 is a universal data doorlock interface and immobilizer bypass module designed for installers adding remote start or security upgrades to compatible GM vehicles. It provides web-programmable door lock integration and supports over 1200 non-CAN vehicles from 2001 to date.

DBI Serial Port Connectivity

This module connects via a single wire to Audiovox and related remote start, vehicle security and convenience products equipped with a DBI serial port. The interface relies on that specific serial connection, so it cannot be used with systems lacking a compatible DBI port.

GM Immobilizer Bypass Coverage

The decisive specification is the supported vehicle list covering over 1200 non-CAN GM vehicles from 2001 onward. Installers working on CAN-based vehicles or makes outside the supported range will need a different bypass solution.

How it compares

Measured against everything we stock in Car Alarms, Remote Start & Key Fobs, at today’s prices. Recalculated every night.

Price $35.99
Pricier than about 77% of the 211 comparable items (median $16.99).

Specifications

Product
Product typeCar Alarms

Questions about this item

How many non-CAN vehicles does the FLDL1 support for door lock integration?

The module covers over 1200 non-CAN vehicles from 2001 onward, providing web-programmable door lock integration and data immobilizer bypass for each listed application.

What does the single-wire DBI connection do once the module is installed?

It links the FLDL1 directly to compatible Audiovox remote start, security or convenience units so the system can control door locks and bypass the GM immobiliser through one serial data line.

Which interface standard does the FLDL1 use to communicate with the vehicle?

The module uses a single-wire DBI serial port to connect to Audiovox and related products, enabling data-based door lock control and immobiliser bypass on supported non-CAN platforms.

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