Question about 2002 Chevrolet TrailBlazer
When I start my car the alarm goes on and will not shut off. It alarms the whole time im driving
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Posted on Jan 02, 2017
SOURCE: 2005 Chevy Impala wont start
The most common cause of this problem on the Impalas is their @$!@ security system called Passlock or Passlock II. It is very sensitive and senses an intrusion a lot of times even when there is not one. When it does it locks down the fuel injectors. You can leave the key in the ignition in the on position and wait 10 minutes for it to re-set but it tends to do this 4-5 times a month at a minimum. The way to permanently solve this is to disable this portion of the system.
You will need to take the dash off ( it is not as hard as it seems) It is held in place with a variety of bolts, screws, and clips. You can do a web search for dash removal to try and find the exact configuration. Once the dash is out under the steering column there is a metal plate. It needs to come out also (held in place by a few bolts. Once this is removed you will have clear access to the underneath part of the steering column. Coming up the steering column you will see (3) wires grouped together. (Yellow, Black, and White). They will either be tied or taped together. The only one you need to concern yourself with is the yellow one. This is the most important step. (1) Start the car! (2) While the car is started snip the yellow wire, making sure it does not contact any metal. (3) using electrical tape or something similar cap off the ends and tie it off if you wish. (4) Turn off the car, put the plate back on, the dash back together and problem solved!. The yellow or orange security light will stay permanently illuminated, but it is not a problem. I did this on my Impala which I inherited 10 months ago and have never had this problem again. You can take the bulb out of the instrument cluster to for the security light but it is a lot of trouble and not worth the effort. Hope this helps..
Posted on Feb 15, 2009
that is incorrect the alarm is jsut like any other it should only sound if there is a problem, which in this case there is, whoever you bought the car from is lying to you, i would have to say that the contrl module for passive alarm is bad
Posted on Apr 20, 2009
I had the same problem, the solution was a bad hood switch. The wires behind the switch had bad connections which would cause a false open on the switch, which would sound the alarm.
Posted on May 23, 2009
It sounds like you have a fuel level sensor problem. The fuel level sensor attaches to the fuel pump inside the gas tank. The tank will have to be removed for access. The fuel pump assembly comes out of the top of the tank,and the sensor can be then be replaced. Removing the fuel tank is the major expense. The sensor runs around $120.00.
Posted on Sep 29, 2009
2006 colorado..security system keeps me from starting the truck , but not every time. i had a new key made but the security symbol pops up now and then too. can the system be turned off//
Posted on Sep 22, 2010
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