XpressKit modules work with your vehicle's anti-theft system to incorporate the convenience, security and luxury features of your Python™ alarm system.

An XpressKit interfaces with vehicles by routing commands through your vehicle data system, so it's more secure. You have fewer wires to connect and, best of all, your extra key stays with you, not in your car.

Use the GMDLBP to interface with the alarm system in select 1997-up GM vehicles with anti-theft systems. The compact module comes with harnesses and a built-in transponder data interface port.

Product Highlights:

  • interface for Python alarm systems
  • compatible with select 1997-up vehicles equipped with GM anti-theft systems
  • temporarily overrides the factory immobilizer through your vehicle databus
  • no key required — works with your factory databus
  • included 10-pin harness provides wires to connect to your factory system
  • maintains factory alarm integrity
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • GM doorlock alarm + transponder/passlock interface module
  • 10-Pin harness
  • Installation Guide

Product Research


Overview: The GMDLBP Data Bus Doorlock Alarm & GM Passkey/Passlock Interface allows you to install a remote start and maintain your vehicle's factory alarm in select GM vehicles. The GMDLBP includes the following functions: Lock/Unlock, Driver's Priority Unlock, Trunk/Hatch, OEM Security Arm/Disarm, Door trigger Output (-) & Override the 2nd /3rd generation GM Passkey3 Transponder Immobilizer & Passlock 2 Immobilizer via data bus.

Compatibility: The GMDLBP is compatible with a wide selection of GM vehicles using secure data transfer, while maintaining the integrity of your vehicle's factory anti-theft and alarm system.

Buick Cadillac Chevrolet GMC
Lesabre (2000-2005) CTS (2003-2007) Avalanche (2003-2006) Envoy (2002-2008)
Park Avenue (1997-2005) DeVille (1998-2005) Express Van (2007) Savana (2007)
Rainier (2004-2007) Escalade (2003-2006) Impala (2000-2005) Sierra (2003-2006)
Ultra (1997-2005) Seville SLS (1998-2004) Monte Carlo (2000-2005) Sierra Classic (2007)
 Oldsmobile Seville STS (1998-2004) Silverado (2003-2006) Yukon (2003-2006)
Alero (1999-2004) SRX (2004-2006) Silverado Classic (2007) Hummer
Aurora (2001-2003) Pontiac SSR (2004-2006) H2 (2003-2007)
Bravada (2002-2004) Bonneville (2000-2005) Suburban (2003-2006) Saab
Isuzu Grand Am (1999-2005) Tahoe (2003-2006) 9-7X (2006-2007)
Ascender (2003-2007) ***** TrailBlazer (2002-2008) *****

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Be the first to review this product
Great Gear Giveaway

Submit a review and then enter to win a $350 rewards card

Review this product:

Thanks for taking the time to share your experiences about this product. Please be sure to focus your comments on the product itself. Read our Review Guidelines for more information.

Your email won't be visible. Please use the email address that is associated with your order.
(e.g., JohnD) Your review will be signed using the display name and location
(e.g., Charlottesville, VA)

Click on a star to rate the overall product on a scale of 1-5
1500 characters left
  Attach a YouTube Review
Crutchfield Video Review Guidelines
  • Only submit videos that you made or are authorized to use.
  • Do not submit videos that contain music, video or visuals that are copyrighted and belong to someone else.
  • Please see our Review Guidelines for more information.
500 characters left
500 characters left