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Trailblazer dor locks

How do I program my 2004 trailblazer to unlock all doors with one push on remote?

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  • Cars & Trucks Master
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Try this procedure, close all doors, insert key into ignition switch,press and hold door unlock switch,turn ignition switch from on to off twice, release door unlock switch,doors will lock then unlock to confirm programming mode.now simultaneously press and hold the lock and unlock buttons of the first remote transmitter after approximately 15 seconds doors will lock then unlock to confirm remote transmitter programming. if all fails to work take vechicle to dealership, they will have to use diagnostic equipment to reprogram remote.

Posted on Feb 13, 2012

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Posted on Jan 02, 2017

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SOURCE: unlock antitheft code for 2004 chevy impala

Radios in the 2004 Impalas are tied to the vehicle's VIN through the computer, so it may be somewhat difficult to get the code. However, the following steps should work:

1. Press and hold the buttons for presets 1 & 4 (may be 2 & 3). The word "SEC" should show.
2. Press the "MIN" button. "000" should be displayed.
3. Press the "MIN" button again to have the second two numbers appear. Record these numbers.
4. Press the "HR" button for the first two numbers to appear. Record these numbers. -- Note: Your number sequence should be the numbers from the "HR" button followed by the numbers from the "MIN" button.
5. Call 1-800-537-5140. This will get you to the GM unlock code automated line. Ignore the prompt and enter "202108#". Next enter your code (remember, HR then MIN) followed by the * key. For example, 1234*. A 3 or 4 digit code will be given to you. If you get a code such as 0532, drop the zero when entering it into your radio.
6. Enter the code into the radio IAW the applicable manual.

Posted on May 30, 2008

Charlie1221
  • 61 Answers

SOURCE: power door locks and windows not working from the drivers side

Check the fuses first. If that dont work take the door apart the wiers have problably lost the connection due to kids and chocolate.
Gotta love them tho.

Posted on Jan 27, 2009

  • 169 Answers

SOURCE: WHERE IS THE VALET SWITCH FOR A TRAILBLAZER.

you need a gm scan tool

Posted on Aug 30, 2009

autotherapis
  • 501 Answers

SOURCE: programming replaced master door switch 06 trailblazer

No. not the switch. Check to see if you have power going into it. I don't have the wire diagram, but you can take a test light and check each line. At least one will light up with the key on. Certainly check your fuses.

Hope this helps

Posted on Apr 09, 2010

  • 1 Answer

SOURCE: 2004 chevy trailblazer fuse box diagrams

I have front and rear a/c. The air is blowing in the back but not in the front. Don I have 2 blowers/units. Could this be a fuse?

Posted on Jul 15, 2010

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1 Answer

When in gear door locks


If the interior door handle doesn't open the door, then you have a push bar loose or bent inside the door. If once you unlock the door from the outside you can use the interior door handle to open the door, then you either have a bad lock unlock relay, or the door lock unlock actuator itself is bad.

Jul 14, 2014 | 2004 Chevrolet TrailBlazer

1 Answer

How program my keyless entry remote for my 2003 chevy trailblazer


1. Close all doors
2. Insert key into ignition
3. Hold down the power UNLOCK button on the driver's door panel, continue to hold down
until instructed to release in step 9.

4. Perform steps 5 through 8 in a fairly rapid succession.
5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
7. Turn the ignition to the ON position (as far as you can go without starting the engine.)
8. Turn the ignition to the OFF position.
9. Release the power UNLOCK button on the door panel. The vehicle should respond by
door locks locking and unlocking automatically. (If locks do not cycle after you let go,
not before you let go of the unlock button, then the vehicle has not entered programming
mode and you must start procedure over. Remove key from ignition, open drivers door
and return to step 1 ). If the locks do cycle automatically then proceed to step 10.

10. Hold down the LOCK and UNLOCK buttons on the remote until the doors lock and
unlock. This may take up to 30 seconds.

11. Repeat step 10 NOW for each additional remote. (Including any existing remotes).
12. Turn the ignition to the ON position to exit the programming mode.
13. Test remote(s).

Mar 20, 2012 | 2003 Chevrolet TrailBlazer

1 Answer

2002 chevy trailblazer interior lights won't shutoff and doors won't lock or unlock with remote, rear hatch won't lock.


sound like you might have a few problem interior light might be the door switch but the lock n unlock can be a fuse if they dont work in the truck or need to chance the battery in your remote

Nov 07, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

I just purchased a used 2004 trailblazer and i was just given a copy of a key with no alarm remote, but i purchased one at a flea market and i need to now how to program it.


with doors closed. hold down unlock button on drivers door cut key on and off two times you should hear locks cycle and horn chirp. release unlock now program fob by holding both lock and unlock. you will have to program all fobs. cut key on to exit programming mode

Feb 17, 2010 | 2004 Chevrolet TrailBlazer

2 Answers

My rear door won't unlock when I use the remote or when I push the unlock buttong from the inside


if u hear actuator moving likely clip popped or broke off actuator rod if no sound check fuses and wiring if good will have to remove door panel to repair or replace lock

Oct 23, 2009 | 2004 Chevrolet TrailBlazer

1 Answer

Liftgate issue not allowing me to lock/unlock vehicle with remote. 'Gate ajar' not lit on dash, but courtesy lights remain on unless overidden. Can only manually lock vehicle, but that is an issue because...


If the key doesn't work on the driver's side door, then the vehicle had the driver's side dor replaced, and whomever did the repair, failed to remove the door lock assembly from the old door and swap it out with the "new" door. This only happens when the door is taken from a wrecked vehicle and used as a replacement. You do not get doors from a factory with the lock assembly in place.

Take the vehicle back to where you had it repaired and tell them that it is thier fault that your vbehicle remote locking system fails. They did not set up (adjust) the switches correctly.

Jul 15, 2009 | 2004 Chevrolet TrailBlazer

2 Answers

2004 Chevy Trailblazer - Randomly the liftgate does not unlock. Have to crawl in the back and manually release the lock through the small access hole. Doesn't seem to matter how many times I cycle through...


That's one of those thing you will need to look at. check the electric solenoid to make sure it has a good ground and "hot" connection. Also make sure that the lock mechanism is operating freely and not binding.

Jun 21, 2009 | 2002 Nissan Altima

1 Answer

2004 chevy trailblazer door lock remotes


The body shop should be able to program the Key F.O.B back to your vehicle. If the battery was disconnected the reciver to the F.O.B lost the frequency.
If the shop can not fix it the dealer can.

Jan 27, 2009 | 2004 Chevrolet TrailBlazer

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