Questions & Answers for: security light comes 1999 chevrolet

changed ecm computer because of persistent flutters and now truck won't start. Security light comes on you have to take this vehicle to the dealer and have the eprom reprogram for you.

...security abs temp guage droops off fuel guage drops off truck runs fine just very annoying and can't tell how much gas I have left this problem comes and goes changed key recently no help sounds like ...

...security light comes on and the engine cranks but won't start. try this, if it doesn't reset the system u will need the body control module tested by the dealer. PASSKEY LOCKOUT RESET ALL GM CARS AND ...

security light comes on and chime comes on when key inserted also at times horn blasts and lights flash for no reason. You may be running car with the valet key and not the master

security light comes on while driving. The truck fails to start sometimes had same problem with my camaro. ended up having to bypass the VATS system. There is a great write-up about this here: ...

security light flashes five times. I don't have a tool to read the codes. When I put gas on the throttle body, it runs perfectly. I was assuming it was the passlock or the ignition switch, but I'm not

...When this happens, check the dash for a light that says security. Of it comes on at all, this is probably your problem. Check our this link.

...security light flashing. could be a pass lock sensor problem. do you smell fuel or see black smoke out the tail pipe. could be the fuel pressure regulator ruptured. it is located on top of the engine ...

...security light comes on and stays on. After awhile, the light begins to flassh and the truck will not start till I reset the security system. how do I fix this? you need to turn ignition on and leave ...

...Security light would come on every now and then but never killed the truck.Fuel pump and filter & injectors are good. You need to put a scanner on the diagnostic link and see what the code is. ...