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Re: car just stopedrunning
Its possible. But I would suspect that you would see the security light flashing on the dash if that were the case. Is this the GT or GTP?
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Many reasons why a Cadillac security system activates, and the procedure to reset it can get very complicated. You can try disconnecting the battery (negative cable only) for a couple of minutes and then reconnect to see if the problem goes away. If not, you will need to have a GM dealer reset it.
The anti theft system can fail for a number of reasons. Sometimes it can be as simple as the chip on the key starting to get worn out, or as large as the TDM (Theft Deterrent Module) computer failing. This can be as simple as a 100 dollar key or a 700 dollar TDM. Or any part in between. The hard part is diagnosing which part is failing. These early year's security systems dont run on the car's scanner, so getting scanned wont help. I have had great luck with just bypassing the system. This link has 2 ways to bypass this system. Ive used these bypasses DOZENS of times and both ways work depending the vehicle and which part is failing. Comment back if you need any more help. I know these old VATS SECURITY systems very well. You can contact the guy on this link too. He knows his stuff.
sounds like it needs an ignition switch. the reason it dies after a few seconds after jumping the starter is bc the security system from gm thinks you're stealing the car so it kills the fire. the security system goes thru the key so if the switch is bad, it wont run no matter how you try to crank it
Yea the car is in lock down mode. Something triggered the security system, and as a result, the computer engaged the ignition kill. Disconnecting the battery alone wont solve the problem. What I would suggest is call a local Chevy dealer and ask to talk to a technician, they know the procedure and can walk you throuogh it right over the phone.