99 tahoe 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=96774
Printed Date: May 12, 2025 at 1:27 AM

Topic: 99 tahoe remote start

Posted By: mrmaup
Subject: 99 tahoe remote start
Date Posted: August 30, 2007 at 4:27 PM

after buying a dei 556lw modulator for the passlock II bypass and installing it accordingly, the truck starts then shuts off with the security light blinking. wires have been double double check once and twice, but modulator still wont send right "r code". is there a trick to programing the modulator? i programed the modulator according to the instructions provided.

***if i detach the (-)status ouput wire, the the security light wont blink but car stil shuts off.

please help

Replies:

Posted By: vitrox
Date Posted: September 03, 2007 at 1:45 PM

sounds like you programmed it wrong.. thats the only reason the vehicle would shut back off immediately.. the passlock shuts the fuel off until it sees the right resistance. I do not use dei modules so i cannot help you with programming.

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