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04 silverado 557gw problems, Superchips

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=86123
Printed Date: June 05, 2024 at 1:12 PM


Topic: 04 silverado 557gw problems, Superchips

Posted By: i_2003i
Subject: 04 silverado 557gw problems, Superchips
Date Posted: November 24, 2006 at 12:24 PM

I am installing an autostart using the Dei 557GW databus module on a 04 Silverado HD with the 6.0 liter gas engine equiped with a superchips reprogramer.
    Everything works, the locks, door trigger, and remote start.. the problem is when i remote start the truck, the engine light will turn on and the truck will not shift out of 2nd gear. If i kill it with the brake and start with the key, it works perfectly. I have installed many of these and they all work just fine, i tested the obd II system with the truck autostarted and it gives me a transmission line pressure error. I think it is interfering with the superchip.. has anyone had these problems before? Please help asap. thanks



Replies:

Posted By: xtremej
Date Posted: November 24, 2006 at 12:37 PM

It sounds as if your are not powering up the second ignition wire. I believe its white in the ignition harness, verify with a  meter and this will correct your problem.



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Posted By: xtremej
Date Posted: November 24, 2006 at 12:38 PM
I assumed you ment 457gw as your module alsoposted_image.

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