Question about 2002 Chevrolet TrailBlazer

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Rear Door lock on 2002 chevy trailblazer will not lock

I have a 2002 Chevy Trailblazer that the rear door lock will not engage. Any suggestions?

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  • farmboss320 Dec 18, 2008

    none of the doors
    will unlock when pressing the key button

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6 Suggested Answers

  • 30 Answers

SOURCE: 2002 Chevy Trailblazer Engine Codes

This is actually an easy swap out. Remove the electrical connection, remove the retaining bolt and pull out old one. I believe the sensor is located in the front passenger side of the engine on this particular model.

Posted on Aug 16, 2008

cadman000
  • 607 Answers

SOURCE: 2002 chevy trailblazer LTZ - where do you fill rear washer fluid?

Uses 1 washer jar up front for both front and rear. Hope this helps

Posted on Apr 22, 2009

  • 14036 Answers

SOURCE: I need schematic for rear brakes for 2002 chevy

haynes manual has photos to show you how to work on rear brakes.

Posted on Jul 03, 2009

  • 122 Answers

SOURCE: how to remove rear door panel on 2002 chevy blazer

usually two screws one at the armrest and one under the power window console , this console usually pops out to let you at the screw.

Posted on Oct 27, 2009

  • 67 Answers

SOURCE: my back speakers on my trailblazer 2007 ls sometimes does'ntwork

make sure there pluged in if so you need to get new ones

Posted on Feb 04, 2010

Testimonial: "answered in details"

toneman2121
  • 775 Answers

SOURCE: Replacing the rear brake pads on a 2005 trailblazer

if there are no slots for a tool to fit in, then you should be able to retract then with a C-clamp

Posted on Apr 17, 2010

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Where is the back windshield wiper fuse located on a 2002 chevy trailblazer


this might not be the fuse, check the rear door connectors are clean, see if the rear sprayer jet also works or not, the metal contact in the back door, visible when open can get dirty, use a cloth and rub them clean or use a product to such as WD40 to help improve the eletrical contact.

I hope this was useful.

Apr 04, 2015 | 2002 Chevrolet TrailBlazer

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Keys locked in 2002 chevy trailblazer and coat hanger wont unlock door


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Jun 02, 2012 | 2002 Chevrolet TrailBlazer

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2006 Chevy Trailblazer...the top "third"


Brake light problem - if bulbs and fuses (#34 and #43 in rear fuse panel) are good, then only other possibility are the circuit boards where all the tail lights are located.

Noise coming from rear is the mode control actuator in the rear HVAC unit, it is trying to move a stuck blend door.

Aug 06, 2011 | 2006 Chevrolet Trailblazer

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I lost all power to my 2003 chevy trailblazer. no power windows, door locks, radio, a/c etc.


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Jul 22, 2011 | 2003 Chevrolet TrailBlazer

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I HAVE A 2002 CHEVY TRAILBLAZER LTZ AND I CAN'T SEEM TO FIND HOW TO OPEN THE DOOR AT THE BACK OF THE TRAILBLAZER. I DON'T SEEM TO FIND THE BUTTON TO POP THE BACK DOOR. CAN YOU HELP? THANKS


/the back hatch wont open without the remote. Is there another way to get it open? Most trucks have a handle or putton or something. Does this truck?

Jan 15, 2011 | 2002 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 need schematic for rear brakes for 2002 Chevy Trailblazer


haynes manual has photos to show you how to work on rear brakes.

Jul 03, 2009 | 2002 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

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