DEI Bitwriter Question
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=47893
Printed Date: July 13, 2025 at 9:33 AM
Topic: DEI Bitwriter Question
Posted By: msteffe
Subject: DEI Bitwriter Question
Date Posted: January 16, 2005 at 11:13 PM
Hello, I have a avital avistart 4100. I have reason to believe it has been locked by a bitwriter (absolutely can't program using learn functions via valet button). I am considering purchasing a bitwriter so that I can program the starter to my preferences. Will a DEI 998T Bitwriter (version 1.6) do the trick? Will I need anything else? I have never used one before so pardon the newbie questions. Also, is $85 plus shipping a reasonable price? Thanks for your help!
Mike
Replies:
Posted By: auex
Date Posted: January 16, 2005 at 11:19 PM
Well, the version might be too old so order a new chip with the newest version. As far as the price, don't know I got mine for 35 when I went through tech training with a local rep.
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Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: msteffe
Date Posted: January 16, 2005 at 11:33 PM
So the 998T will program the Avital Avistart 4100?
Posted By: auex
Date Posted: January 17, 2005 at 12:00 AM
Nope, doesn't look like it. 4200 and above only it looks like.
-------------
Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: msteffe
Date Posted: January 17, 2005 at 1:01 AM
auex]N wrote:
pe, doesn't look like it. 4200 and above only it looks like.
So that means my assumption that the 4100 was originally locked by a bitwriter is false (because starter is not bitwriter capable), correct? Thanks for all the info! You saved me some money. Now I need to figure out why I can't change any of the settings via the learn process (valet button)!
Posted By: gus1
Date Posted: January 17, 2005 at 11:00 AM
If it's Bitwriter capable, there will be a black 3pin port on the main module somewhere. 3200 are capable, so I would imagine that the 4100, 4200 areas well.
Gus
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Wherever I go, that is where I end up......
Posted By: kgerry
Date Posted: January 17, 2005 at 4:20 PM
nope the 4100 replaced the 3100 which was not.... only the 562 & up platforms ( 3200, 4200, etc) are Bitwriter compatible I've had a few 561 ( 4100, etc ) series units freeze up and lock out programming after programming one feature...... I've just replaced them.... ------------- Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
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