Security light comes on and the truck won't start

Car Won't Start Because of Anti-Theft System ... - RepairPal

repairpal.com > Problems > Oldsmobile > 88

Car Won't Start and Security Light is On on Oldsmobile 88 ... key turns over enginebut fails to start some times..security system keeps the fuel injectors from ...

Car Won't Start Because of Anti-Theft System ... - RepairPal

repairpal.com > Problems > Buick > LeSabre

Car Won't Start and Security Light is On on Buick LeSabre. Problems with the ... 1998 Buick LeSabreVisitor. Turn key on every thing come on but won't turn over.

Car Won't Start Because of Anti-Theft System ... - RepairPal

repairpal.com > Problems > Pontiac > Bonneville

Replaced trans, engine, PCM and bcm, now starter diabled- theft flashes on service ...1995 Bonneville car turns over but wont fire an security light is flashing car ...

GM Passlock Security Light Issues - RepairPal

Lift up on key when it won t start.

ignition lock cylinder is failing needs replaced

Best,Genuine and Simple Online business which Really Makes you a Millionaire ! visit :- http://bit.ly/xM9lTH

call your dealer

i dont know if this helps, but i know in some models, the security issue is caused by the key itself. if there is an rfid chip in the key and it is not responding to the computer, the motor will not start. try using your VIN to get a new key made at a dealership.

This link will help with the security light. Read the whole page carefully. The info is good and depending on your year, there might be a solution for you. http://vatspasslockpasskeysecurityhelp.yolasite.com/

As far as the blue smoke, thats normally burning oil. You might have multiple problems. Id suggest reposting about the smoke. The link should help you with the security.

If any of the gauges are blinking and going haywire and the security light flashing then the instument cluster is faulty.But if it is just the security light flashing then its in the switch.If you only had the switch replaced then you need a new ignition lock cylinder because its worn out.

had same problem new key stillsame. Eventualy traced to 1 broken wire in ignition cyliner Steering wheel has to come out. cylinder taken oot and resolder wire. Smart locksmith repaired under 2 hours.

Disconect the battery and ECM for FOUR DAYS then reconect the ECM and BATTERY. Let it sit for another four days without turning anything on. It should start but will run rough for about 200 miles as the ECM relearns the system. I had the same issue and that is what fixed it.