2001 civic lx ECU/Link Erros problem.

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02-15-2012, 07:32 PM

Oscar Ponce

Junior Member

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Join Date: Feb 2012

Posts: 2

2001 civic lx ECU/Link Erros problem.

my 2001 civic has the check engine light on. I tried using a scanner to check the codes to see what the problem was. Every scanner i used said link error. My mechanic said it could be the ECU that went bad. I bought a new ECU and made sure the numbers matched the old one and when I tried to get it programmed it didn't work. They said I might need to replace the antenna and ignition tumbler to match the new ECU? Is this true? Did I even have to replace the ECU in the first place? I am really lost and any help would be greatly appreciated.

Thanks

02-20-2012, 09:53 PM

lowlife9

Senior Member

Join Date: Mar 2009

Posts: 877

no the ecu reads the key changing the tumbler won't help.

03-21-2012, 12:43 PM

mr green

Junior Member

Join Date: Mar 2012

Posts: 3

if you get a new ecu u need the keys that go with it but your ecu might be ok it could be the wire harness. there could be a bad wire or connection between the hook up for the code reader and the ecu

04-11-2013, 01:22 PM

Mallik Subhan

Junior Member

Join Date: Apr 2013

Posts: 1

I owned 2001 honda civic lx recently.I got ignition problem,we made computer check up.found that ECU was bad.so if i get second hand ecu what things i have to do,i mean
i can start with old key.