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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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Replying to: lovemygrandam (Oct 18, 2009 12:49 pm) |
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Replying to: lovemygrandam (Oct 18, 2009 12:49 pm) I have a 2000 Oldsmobile Alero that's been having the passlock problem (will not start, must wait ten minutes, etc.). I came across your website with the fix (bergerweb) so I thought I'd try it. I'm in the middle of fixing it right now, but before I cut any wires or anything, I found what might be a difference in my car and your grandam and wanted some advice in how to move forward. On your site, the middle connector for the body control module goes from A1-A12, left to right. However, mine is the opposite (A12-A1 left to right), and also the black wire comes out of the A6 port and the yellow wire out of the B6 port, if that makes sense. I know the wires shouldn't matter, but I just wanted your advice before I cut the wrong wire...my understanding is that I should strip "my" yellow wire (B6) and cut the black wire (A6) and solder the resistor as instructed, but I just wanted to check. Thanks for your time! |
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Replying to: mizzoustu702 (Oct 20, 2009 12:27 pm) |
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Replying to: lovemygrandam (Oct 17, 2009 9:12 am) I just had this problem, and solved it yesterday |
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Replying to: mizzoustu702 (Oct 20, 2009 12:27 pm) I will probably stop posting this suggestion on this Pontiac thread, since everyone here wants to do the mechanical thing. Alero owners had the same starting problem and have used this solution. These two cars are essentially the same and have the same problems. Save yourself some time and money. If you try it, please reply.....Ja
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Ever sense I got my car, Ive had a problem with it wanting 2 start when the weather is cold, it tries 2 start, but wont "catch" & turn over. Ive had a new fuel pump put in 2 yrs ago & it works fine. The problem has gotten worse over the yrs & now I'll run my battery dead trying 2 start it. Once the car has started it runs gr8, no problems 2 all. The only time my sec light comes on is when im driving steady for about 4-5 hrs to florida. I live in NC. even b4 the new fuel pump Ive had this problem. It only happens when the weather gets below 45. It takes many tries over a 30-45 min time frame almost like the engine has 2 warm up by trying 2 start b4 it will start. b4 it got this bad I could put it in neutral 4 it 2 start, now that wont wrk anymore. if any1 can help with this mystery I would b gr8ful. the dealership cant find anything wrong with it. Im  a loss as 2 what 2 do. Im a single mom & cant afford much more $. I have friends that will help fix it, but they havent had this problem b4 & r a loss 2.
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Replying to: ja33 (Oct 22, 2009 6:46 pm) As the lock cylinder wears over the years, metal flakes from the lock cylinder accumulate around the magnet, which disrupt the magnetic field. When enough metal flakes are present, there will not be sufficient magnetic flux to fully energize the hall effect switch. When that happens, instead of the electronics reading the value of the resistor inside the passcode mechanism, it reads the value of the resistor plus the resistance of the hall switch, thus getting a false reading. It is possible that applying a sufficient amount of 3 in 1 oil into the ignition switch serves to wash the metal filings out of the mechanism, thus restoring the magnet to its full power. The system will then work properly until more metal filings accumulate around the magnet. Flushing the ignition cylinder with any lubricant or cleaner may fix the problem many times, but if filings happen to get lodged around the magnet and don't get washed away, you may have to either remove the lock barrel from the cylinder and clean it manually, or replace it, or do the resistor mod to fix your problem. Also, this is a fix for only ONE of the FOUR components that make up the Passlock II system, which are: Lock Cylinder Wiring Body Control Module Powertrain Control Module Happy troubleshooting.
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Replying to: drhrejsa (Oct 26, 2009 2:00 pm) The car should only try to start when you turn the key to the start position. If it wants to start every time the weather is cold, that's a big problem. It's a good thing it wont catch, else it may drive away when you don't want it to when the weather is cold. I don't think we can diagnose your problem without you telling us the year and make of your car. I have a feeling you may have a plugged up fuel filter, which would cause this type of problem more often when the weather is cold. On your next post, please use english, rather than text-speak. It is extremely hard to understand.
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Replying to: lovemygrandam (Oct 26, 2009 3:27 pm)
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Replying to: lovemygrandam (Oct 18, 2009 12:49 pm) And yes, I've used oil on the key but it didn't turn off the light 
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