2009 hummer h3 remote start

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=120028
Printed Date: August 26, 2025 at 2:02 PM

Topic: 2009 hummer h3 remote start

Posted By: ryan s
Subject: 2009 hummer h3 remote start
Date Posted: February 10, 2010 at 12:59 PM

i have a 2009 hummer H3 that i am installing a remote start on. ive got a code alarm 1 button remote start with a im06 bypass setup for setup as PLXR. ive got the remote starter and bypass all installed. the remote starter when started with the doors open works properly if the doors are closed the vehicle will not start. if the doors are closed and locked with keyless entry the vehicle will not start and the alarm will sound. each time it fails the vehicle goes into anti theft mode and locks out with the security light on. was just wondering if anyone have ran into this problem or has a fix?

thanks, Ryan

Replies:

Posted By: beegbie
Date Posted: February 10, 2010 at 3:09 PM

I've learned the hard way many times that the only reliable way to do a remote start in these trucks is to use the two relay set up (doc 1603 from dei) instead of using a module for the passlock. It's rare to get a module to work properly in these trucks.

Posted By: ryan s
Date Posted: February 10, 2010 at 3:41 PM

hmm.. thats kinda disapointing. but thank you for the info