Question about Cadillac STS
Car won't start and have to wait a few minutes prior to trying again. Security code showing on dash
The security, antitheft or lock picture/icon is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle. This link explains it pretty well.
Posted on Mar 27, 2014
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Posted on Jan 02, 2017
did you replace the fuse.if so try to get the alarm reset location,it could be in the stupidist place like my pathfinder you have to put the key in the tailgate and turn it to glass side and hold it for 20 seconds.and then hit the hidden reset switch under the rear carpet.
Posted on Feb 26, 2009
try locking and unlocking the drivers door with the key. [sometimes if you reach to un lock door through window it it sets off security]
Posted on May 15, 2009
SOURCE: prblem car won't start
Turn the key to on. The security ight should be flashing at this point. The key should be turned to on for about 10 mins. The security light will be steady now, the turn off then start it. This re-sets.
Posted on Aug 27, 2009
if you have the chip in the key, then this will surely help you: http://newrockies.com/vatsbypass . It was the only thing that saved my car.
Posted on Mar 08, 2010
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