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Passlock/security/ignition problem?

 
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PW
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PostPosted: Sun Sep 20, 2015 9:45 pm    Post subject: Grrrr ! Passlock/security/ignition problem? Reply with quote

I purchased a 2003 Chevy Impala LS on August 10th of 2015. Exactly one month later, I was stranded in a parking lot for 20 minutes as my vehicle would not crank - power to everything but absolutely would not turn over. Two weeks later, my wife was stranded for 5 hours overnight. Through a lot of online research and discussions with various "motorheads," I discovered this was the infamous Passlock/security problem that many owners have dealt with. GM apparently did not do much to remedy the issue (another post). Anyway, I have been without my vehicle for the past four days while a local GM repair guy attempts to swap out my original key cylinder, Passlock sensor, and wiring. The first attempt failed and the second is not looking good. I am tempted to ask him to put in the original and bring it to a dealer ($1000 Crying or Very sad ). Suggestions? Thank you.
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bigdog60
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PostPosted: Sun Sep 20, 2015 10:00 pm    Post subject:   Reply with quote

http://www.naioa.com/v2/module.....mp;start=0



And Welcome to the Forum

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Frank
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PostPosted: Mon Sep 21, 2015 12:36 am    Post subject:   Reply with quote

Holy crap dude. The Passlock sensor is part of the ignition cylinder which is a $100 part. You could likely clean and relube the existing cylinder and visit a locksmith to have a few new keys cut (not copied) and only be out $75 by doing it yourself.

Everyone is big on doing the bypass but the reality is that if you have a clean and lubricated lock cylinder, properly cut keys, and a properly learned system you should be fine. I had the same problem with my car for over six months before I replaced my ignition lock cylinder (which probably didn't even need to be done) and got new keys cut. After several years of using the same key the problem will start coming back, at which point the key should be replaced again as they get slightly worn moving in and out of the cylinder.

The dealer can also cut new keys with a copy of your registration for about $35 a piece but a good locksmith may be cheaper.

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PW
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PostPosted: Mon Sep 21, 2015 5:09 pm    Post subject:  Passlock Bypass Module from newrockies.com? Reply with quote

Thanks for the information. If it turns out to be just a key issue, I will be both happy and frustrated as I have already spent some money and a lot of time troubleshooting this problem. What is with this bypass module that is available and "guaranteed" to eliminate Passlock and Passkey malfunctions. The company is Newrockies Inc. and sells these kits for $299. Any information? Thanks.
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Frank
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PostPosted: Tue Sep 22, 2015 11:53 am    Post subject:   Reply with quote

Never heard of it, but since it has you do a security relearn it is likely just a black box with some harnesses attached that replaces the signal from the Passlock sensor with a different value supplied by resistors that are inside the box.

In other words...very expensive for what it is.

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PW
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PostPosted: Tue Sep 22, 2015 12:09 pm    Post subject:  Sounds too easy - likely an overpriced temporary "fix&q Reply with quote

Thanks for the response. Usually if something sounds like the "answer," then it probably is too good to be true. Appreciate the information. I am not giving up on the Impala yet Very Happy
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Pitch Black SS
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PostPosted: Tue Sep 22, 2015 2:10 pm    Post subject:   Reply with quote

wonder if its the same type of box that you install for a remote starter.

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grimsin
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PostPosted: Fri Sep 25, 2015 7:39 am    Post subject:   Reply with quote

go to http://getoverkilled.ca/ and get a tuned pcm, cheapest way to fix this issue + you get the MANY benefits from his tune.
tell him you have a passlock issue and have him fix it, i used to have the passlock issue every other time i started my car.... that was over 5 years ago, never had the issue since i got overkill tune, just make sure to mention it before purchasing his tune

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