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Sedans Pontiac Grand Am Pontiac Grand Am Security Passlock Problems
737 messages, Last post on Nov 25, 2009 at 11:33 AM
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My 2003 V6 Grand Am has been having some small problems lately ( the wipers stop working mid swipe and the clock resets itself to 12 regularly). The past few days its been hesitating when I go to start it and today It would not start at all. No trying to start and failing - nothing happened when I turned the key. No radio, heat - NOTHING.. I had it jumped and it started right away and then checked the battery and it said that it is fine. I took it to autozone to have them check that battery, prepaired to buy a new one but they said it's fine too.. After jumping my car it starts fine, but I'm not convinced that there is no problem at all with the car. The alternator is working (we disconnected the battery after it started and it ran fine). And the car runs fine after a jump. Any ideas before I go drop a mess of cash for a problem that will most likely resurface in a few months...
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Replying to: emo78 (Oct 28, 2009 10:59 am) But to address your problem anyway, You should probably disconnect your battery cables from the battery, make sure he terminals are ABSOLUTELY clean, and that the contact points on your battery also are clean and bright. Then re-connect your battery terminals, making sure they are secure. If you can get to the other ends of the battery cables, you might want to do the same there. Once you are sure your battery cables are secure on both ends, start the vehicle and let it run for 10 seconds or so, then shut it off. Do that about 20 times, letting it sit at least an hour between starts. If you don't have any problems, you probably will have enough confidence in the car to take it out of your driveway. Good Luck The Passlock Security Nazi |
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ok so i followed the advice from http://www.bergerweb.net/grandamsecurityfix.htm worked wonderfully. car starts every time. now my question is, now my Security light is on all the time. is there a relearn procedure i can preform for light to go off? or am i stuck with it on? Thanks in advance.
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Replying to: grandamgt2002 (Oct 30, 2009 10:46 am) The light being on all the time is an indication that the resistor you soldered into the circuit is not connected. There is an open circuit in your wiring. Either you soldered the resistor in to the wrong side of the yellow wire, you broke the resistor, or in some other manner, the circuit became open. To troubleshoot, do the following: Remove the middle connector from the BCM. Measure the resistance between Pins A6 and B6. The resistance should be the same as the resistor you soldered in place. If it isn't, there is an error in your installation, or there is an open or short in your wiring. Re-read the page on the web site thoroughly, and you will see that when the light is on solid, it means that your circuitry is bad. |
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Replying to: lovemygrandam (Oct 26, 2009 3:16 pm) waiting 10 minutes almost every time I started my car.....Ja |
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I recently updated my web blog about the Passlock Security System on Pontiac Grand Am and other GM vehicles. This blog describes in detail how to solve issues with the Passlock II system on GM cars. It also contains all the posts in this thread which have valuable information about GM's Passlock system. If you are having any Passlock problems, I suggest you go to my web page and read it thoroughly. Here is a link to it. Grand Am Passlock Security System Repair
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Replying to: lovemygrandam (Nov 02, 2009 11:12 am) I'd just like to say thanks for all your help. I followed your instructions on your website, step by step to fix my 2000 Oldsmobile Alero. So far, after two weeks, I have had no problems with the Security light coming on or the car starting (knock on wood!). To anyone who suspects their passlock problem can be fixed with Mr. Berger's method, I suggest you try it (at your own risk, mind you). I had never soldered before, but quickly picked it up after watching several Youtube videos. Mr. Berger's pictures and guide are extremely helpful. Again, proceed at your own risk and mechanical know-how. Thanks a ton! -mizzOUstu702 |
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Replying to: lovemygrandam (Nov 02, 2009 11:12 am) I WISH I FOUND THIS WEBSITE before...instead i called my mechanic who came towed the car and fixid, he then told me he had to call someone else to fix the passlock thing but he already told it was something to with it when he towed the car. I can't believe how stupid i was withtout checking the Manual and do the 10 seconds' thing to make the car start again. Honestly i can't tell you if the car was doing any noise in the past days...a tlinking or stuff like that since it makes a lot of noise. My GrandAm is a 1997 with 130,000 miles and i can tell you that it runs fine!! Anyway tonight i picked up the car... my mechanic which i have always considered honest,at least with me, charged me $ 300 ... towing included and the problem seems fixed. I hope so. What do you think???
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Replying to: robyr77 (Nov 03, 2009 4:42 pm) Take a look at your work order. If he replaced the Ignition switch, he probably fixed your problem correctly, and you got by a lot cheaper than going to a dealer. If he didn't replace the ignition switch, check to see what he actually did, and see if it makes sense. Remember, Passlock problems are caused by either: 1. Ignition Switch 2. Wiring & connectors 3. Body Control Module Doing the 10 minute reset is not worth $300. Why? Because it only takes 10 seconds to turn the ignition on, and 15 seconds to check to see if it worked 15 minutes later.... Total repair time - less than 30 seconds. |
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This is only the 2nd time this has happened, but thankfully we came to this site before calling the insurance for towing like we did the last time! We tried #28 where we put the key on the "on" position and waited until the Security light quit blinking. The car didn't turn over, so we went to Plan B: #695 where we oiled the key and IT WORKED!! THANK YOU for sharing your experiences with this apparently-widespread problem. 
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