Last post on Mar 13, 2013 at 9:04 AM
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Chevrolet Cavalier, Security System
#31 of 51 1998 chevy cavalier will not start
Sep 03, 2010 (1:54 pm)
i have a 98 chevy cavalier 5 speed and i was driving it down the highway and i noticed my gas light came on but i had a full tank of gas then my temp gauge went to hot then dropped down to cold in seconds. Then shortly after that every single light came on in my dashboard and then i lost acceleration and my car died when i pulled over i noticed my hood was smoking and i popped the hood and the engine and the water coolant was smoking... I towed my car home and i look at my oil and when i tried taking the oil filter off there was a yellow substance where the oil should be but no oil and i looked at the dip stick and it said it was full.. The car turns over but will not start i really need any ideas you could give me.
#32 of 51 1996 Chevrolet Cavalier Theft System
Nov 14, 2010 (11:33 am)
My Theft System light stays on; never happened before. I tried disconnecting battery and removing fuses both under the dash and on the engine (Fuel Pump, etc)
I have tried doing the three ten minute sessions of leaving the key in ACC, etc.
#34 of 51 My 2003 Cavalier has this anti theft problem and I need help
May 06, 2011 (7:44 am)
My 2003 Chevy Cavalier has begun to turn it's Passlock system on by itself. I have owned the car for 7 years and never had this issue until 3 days ago. Since then it has happened three times. I have done nothing different to activate it, and it's parked in my garage when not in use, so neither has anyone else. I tried the 3 times 30 minutes trick that I read online, didn't work. I tried starting in neutral, didn't work. What do I do now to FIX the problem permanently? I had it towed to a local repair shop the first time it happened which is how I knew what was happening. They killed the code with their computer, but I can't have my car towed every time I need to use it.
#35 of 51 Re: My 2003 Cavalier has this anti theft problem and I need help [ckwwilson]
by Kirstie@Edmunds HOST
May 09, 2011 (7:47 am)
I know it's a different vehicle... BUT, your problem sounds very similar to the one experienced in our Grand Am Security Passlock discussion. There's an easy do-it-yourself solution, so you might hop over there.
#36 of 51 Re: My 2003 Cavalier has this anti theft problem and I need help [kirstie_h]
May 09, 2011 (11:27 am)
Okay, I went ahead and read that thread. My cavalier does not have an electronic key though, and my security light is not staying on or flashing. The only reason that I know this is the problem is because the code came up after I had it towed to the repair shop. According to my research it has the Passlock II system though which is the same as the Grand Am and other cars close to that year, but they all have electronic keys. Do you still think that putting a resistor in will work in my case?
#37 of 51 98 Chev Cavalier Theft System light
May 10, 2011 (6:03 am)
I was driving the other day and my theft system light came on. I brought it home and took the cables off the battery to see if I could reset it. It did the same thing. Now when I start it, the Theft light comes on and when I put it in gear....it makes a noise and all the panel lights start flashing and stay on. I can still drive it, but something is wrong and I would like to fix it! Help!
#38 of 51 Re: My 2003 Cavalier has this anti theft problem and I need help [ckwwilson]
May 12, 2011 (4:59 pm)
I'm afraid you misread the Passlock thread on the Grand Am. The Grand Am, Alero, and Impala (1999-2004) have ignition keys that are not electronic... same as your Cavalier. If you know that your car has Passlock II, then go ahead and do the modification described on my website.
Click on the 2003 Oldsmobile Alero Passlock Repair link, to learn how to make the repair at or near the ignition switch. You will probably need a shop manual to figure out how to access the ignition switch, but that's much cheaper than having the thing repaired at the dealer.
#39 of 51 Re: My 2003 Cavalier has this anti theft problem and I need help [lovemygrandam]
May 13, 2011 (6:03 pm)
Lovemygrandam: I wired in a 2200 ohm resistor that cost me 20 cents at Radio Shack and it seems to be back to normal. I've started it 15 times or so and no passlock interference as of yet. I have to note that one really should buy a Haynes manual for $25 so that if nothing else, they may follow the step by step instructions to get the dashpad and instrument panel covers off since you have to remove both to get at the radio. More importantly, the wires are not the same on the Cavalier as was described for the Grand Am and Alero. I'm sure that is because they are on a different chassis. The THICK ORANGE wire is the one you need to CUT because it is connected to the 'Multi Function Alarm Module', and the THICK BLACK wire is the one to STRIP and solder the resistor in between. There is a yellow wire, but it is a speaker wire for the left rear speaker, and another thin black wire that should also be ignored on the Cavalier. Other than that, I did exactly what you described on your website and it seems to have fixed the problem. Thank you very much for your help! You're a life saver!
#40 of 51 Re: 98 Chev Cavalier Theft System light [cjblack1]
May 13, 2011 (6:08 pm)
cjblack1: Not sure if this is the same problem I just fixed or not, my Cavalier is a 2003 so it has the second generation Passlock II system, I believe from my reading that pre-2000 models have the Passlock I system, but if you are having the same problems as me, this fix should work for you as well. I didn't have any panel lights flashing, and mine happened when I went to start the car rather than while I was driving. The difference between generations of our Passlock systems may be the reason for that, I don't really know but it's worth checking out this guy's web page to see if it helps.