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I have an 01 civic ex sedan and I'd like to know how to program a 2nd alarm transmitter into the security system. Both keys are the original ones from the car but only 1 of the transmitters is recognized, both keys work.

thanks

 
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are you talking about the bypass module to install an remote start security car system?

if so, you need the bypass transponder...heres what i came up with:

Interface Module: Category:
Immobilizer Bypass Required:
Yes Type:
Transponder
Part #: 556HW
Alternate Part1 #: 556UW
Alternate Part2 #: 555I
Alternate Part3 #: 555U
Alternate Part4 #: DesignTech 20402
Alternate Part5 #: DesignTech 29402
Notes:

 
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nope.

I'm trying to program the factory key fob into the factory alarm system.
no aftermarket stuff.

 
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you should be able to take it to the dealership and have them do it

 
Rep Power: 321

here ya go.
http://www.collegehillshonda.com/art...ticle_35.shtml
rep =

 
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thank god. finally. that'll work!

 
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ok, didn't work.

I programed both transmitters just like it said. For each one the car locked/unlocked saying it recognized the transmitter. then once I exited the programming mode only the 1 transmitter still worked, same one that worked before. So, I don't think the other transmitter is bad since it recognized it while programming, but maybe the alarm brain is faulty?

 
Rep Power: 300

change the battery in the transmitter

 
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thats interesting, sorry for getting offtopic, but whats the purpose of the keyless entry programming?

 
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well, the 2nd transmitter has never worked since I got the car 2 weeks ago. so I figured I'd try programming in the transmitter to make it work again.. and since that failed.. something is broken.. and I'm leaning toward the alarm brain.

after going outside today I noticed the windshield is delaminating from the plastic pieces below and to the sides on the pillars, what could break next

 
Rep Power: 321

well, if u only got it 2 weeks ago, go back to the place you bought it and bitch at them until they fix it.