’01 Civic Not Compatible W/DEI 555h?
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=23133
Printed Date: July 07, 2025 at 7:52 PM
Topic: ’01 Civic Not Compatible W/DEI 555h?
Posted By: Adrianalin
Subject: ’01 Civic Not Compatible W/DEI 555h?
Date Posted: December 20, 2003 at 11:19 PM
I was sold a 555h bypass module and was having trouble matching wires & getting it to work... I checked DEI and find I need a 555I? It looks like the wiring is done a little different between the two BUT why couldn't I hook up the 555H as the 555I recommends? Is there any difference? Has anyone else used either of these in your '01 Civic's? I'm trying to get this buttoned up before XMas! THANKS! :)
Replies:
Posted By: abright52
Date Posted: December 21, 2003 at 12:41 AM
I am pretty sure the 555L is for GM.
You need a 555H or 555U.
555H is vehicle specific for Hondas, the 555U is Universal.
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Posted By: Adrianalin
Date Posted: December 21, 2003 at 12:52 AM
I'm sorry, it's supposed to read 555i -- i have a 555h but am seeing references to the 555i being specific to the '01 Civic... I was told "this should work" but it doesn't seem to. Has anyone used this combination with success? I appreciate any advice- And a little off topik- I would never consider buying the module that you put a spare key in for a thief! The price of the unit ++ price of key you have to lose in dashboard. Does not sound like a good idea at all.
Posted By: abright52
Date Posted: December 21, 2003 at 1:27 AM
According to THIS SITE
The 555H is for 2001+ Civic. Not sure about the 555I.
What specific problems are you having? -------------
Posted By: Adrianalin
Date Posted: December 21, 2003 at 2:29 AM
Basically, I have just installed an UltraStart 2250TL - AutoStarts with key in. So I am installing the 555h and am not able to learn the code. Many references do not say which passlock / ignition wires the module is to be conected. I know which is "key sense" & "data" but the H's manual references colors not there. I have been guessing at others but it will not pass the code and start w/o key. When I was researching earlier tonight I saw the page you referenced. But I also noticed a few other things- Here's a list of all DEI's modules/cars only shows (i&u) for '01 https://www.electriclife.pl/immobilizer.pdf The 555h Manual References Honda- (Accord '99-02) (Prelude '99)(Odyssey '99-02) Acura- (CL '01-02) (Integra '01-02) (MDX '01-02) (TL '01-02) https://www.directed.com/guides/manuals/ig/accessories/N555H_4-02.pdf The 555i Manual is more straight forward, it mentions only the Honda- (Civic '01) OR Acura- (RSX '02)https://www.directed.com/guides/manuals/ig/accessories/N555I_4-02.pdf
Posted By: profuse007
Date Posted: December 21, 2003 at 12:02 PM
i saw ppl on this forum used 555i for civics instead of 555h. if i were you, i would stick to the info provided by the maker not the retailer.
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Houston,TX
"The two most common elements in the universe are H+ and stupidity" (Ellison).
Posted By: Adrianalin
Date Posted: December 21, 2003 at 12:08 PM
Yes, I agree. I "should have" checked first but now that I have cut wires on the unit. I wonder if it is at all possible to install the one I have.
Posted By: Teken
Date Posted: December 21, 2003 at 12:20 PM
I have a question as to wording that they use in the wiring diagram included with the modules.
One is named *Sync* and the other is named *Immobolizer ignition feed*
Is this the same thing, just worded differently?
Regards
EVIL Teken . . .
Posted By: Adrianalin
Date Posted: December 21, 2003 at 12:28 PM
Yes! That was basically my first issue and then the fact that others have not run into this before. It would seem that if there was ONLY the i-model for the '01 civic it would be well known. I appreciate everyones help! I should have participated sooner-
Posted By: profuse007
Date Posted: December 21, 2003 at 12:51 PM
i usually ask ppl in this forum to make sure everything will do right the first time even though i know what i am doin.
good luck!!!!
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Houston,TX
"The two most common elements in the universe are H+ and stupidity" (Ellison).
Posted By: abright52
Date Posted: December 21, 2003 at 1:29 PM
I would try to contact DEI and see if they can help clear up the confusion.
Contact DEI-------------
Posted By: Adrianalin
Date Posted: December 21, 2003 at 6:15 PM
MY SOLUTION... Was to return the unit I had for the 555i - I installed it using the colors it provided and was successful the 1st time. So, in summary I say that the 555i is the only immobilizer bypass unit to use on a 2001. Don't use the throw away key module~ Thanks for everyones help I'll check my references better next time-
Posted By: ck auto
Date Posted: December 21, 2003 at 9:35 PM
hi when i have to use the key in the box method i just use a relay and wire and the head of a key not the whole key or i don't cut it to program. ------------- good luck
kirk
Posted By: abright52
Date Posted: December 22, 2003 at 12:25 AM
Good to hear that you got it figured out!
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