Passkey II security system - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

Reply
 
 
 
Thread Tools Search this Thread
Old 08-27-2010, 11:49 PM   #1
Junior Member
Posts like a Ricer Type-R
Thread Starter
 
Join Date: Jul 2009
Posts: 12
Thanks: 0
Thanked 0 Times in 0 Posts
92Bonni is on a distinguished road
Default Passkey II security system

Has anyone bypassed the passkey II security system in their car? My lock cylinder gave out, which I soldered resistors and got it to work for a month, and now it won't start again and I fear the security computer took a dump. Can't find one of those so I am trying to figure out how to bypass the whole system. Let me know it you have any ideas.
92Bonni is offline   Reply With Quote
Old 08-28-2010, 01:43 AM   #2
Senior Member
Posts like a Northstar
 
RobertISaar's Avatar
 
Join Date: Jul 2010
Location: Camden, MI
Posts: 615
Thanks: 0
Thanked 0 Times in 0 Posts
RobertISaar is on a distinguished road
Default

to bypass it altogether, i've seen someone make a 555 timer based circuit that made the proper wave pattern and sent it to the PCM and basically bypassed the system altogether. all you would need is a correctly cut key.
RobertISaar is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
problems with passkey III system crunkfrunk 2000-2005 0 12-19-2008 02:40 PM
Intermittent Security light, Something other than Passkey??? Hans Everything Electrical & Electronic 2 03-19-2007 03:34 PM
Remote Starter In A 97 With Passkey II Cheetah Audio (and aftermarket electronics) 6 12-23-2006 02:48 AM
PassKey destroying my life! KenBlaze 1992-1999 10 11-12-2004 11:27 AM
how to build resistors for passkey work-around Custom88 Audio (and aftermarket electronics) 17 06-25-2004 01:41 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 12:56 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.