Question about Chevrolet TrailBlazer

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Key cylinder in Trailblazer not working

I can't unlock my Trailblazer. The key lock cylinder is not actuating the lock / unlock mechanism. How can I get the door open?

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  • Chevrolet Master
  • 12,104 Answers

Change battery in fob --or if does not work on key then possible linkage problem which will need to slim door [ passenger side --if have aaa --service station that does lock outs locksmith notify them but need to remove door panel to access what actual problem is

Posted on Aug 12, 2017

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Posted on Jan 02, 2017

  • 137 Answers

SOURCE: Automatic door locks will not work.

you need to take it to the dealer and have them check the bcm for codes.... also have them check to be sure you have the latest software in the bcm.. its possible that you just need a software update... there are several TSB's covering the concern you have..... it can be a very simple fix with software or even a stuck lock switch may need to be replaced... without the proper diagnostic codes being read from the bcm all that can be done is guessing..and that can be expensive...

Posted on Feb 02, 2009

  • 63 Answers

SOURCE: Tribute passenger door will not unlock

this ones trick but ive done it. you have to carfully pry back the top part of the door panel and you should get enogh room for a small arm to fit in and manuall pull up on the relese lever for the latch to the door then you can take the door apart for inspection

Posted on Mar 20, 2009

  • 2 Answers

SOURCE: 2002 BMW 325 - key locked in trunk

There are several suggestions out there on how to retrieve BMW keys from the trunk. Many of the ways I tried failed, and it takes 2 to 3 days to get a new key made up. In the coupe there is the center piece in the back seat that folds down. Then on the back wall there is material that will fold down that is held up with Velcro. Behind that you will find a rubber insulation that is mostly cut and looks like a door, but not all the way. Carefully cut the rubber to remove the piece. Now you will find a metal wall, but there is a large piece that is tack welded on. I got turned around and kicked it with the bottom of my foot and got 3 sides loose. Then a softball bat knocked the final side loose. Pull that out and trash it, the final barrier is the insulation that is held in place with plastic clips that can just be pushed down. After that you can a pretty large hole to work through and get the keys. Just put everything back in place other than the metal plate and you will never know anything was done.

Posted on Mar 30, 2009

emissionwiz
  • 75814 Answers

SOURCE: Drivers power lock will not unlock with remote.

the door lock actuator is defective, they get really hard to move when they go bad, that is why the difficulty with the key.

Posted on Mar 31, 2009

  • 236 Answers

SOURCE: 2003 Honda Pilot Door locks not working

may be a relay switch, or a faulty wire on the right side behind the glove box

Posted on Jun 17, 2009

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I have a 2005 Trailblazer that dies out when you come to a stop. It starts back up with no problem


The alternator wouldn't have anything to do with either of the problems your having ! The key getting stuck in the ignition could be a problem developing with the lock cylinder . Can you turn the key to the off position an then it won't come out ? Or it won't turn to the off position an then not come out ? There are safety devices in place that won't let the key come out if not in gear an foot on the brake pedal etc... electronic an they do fail . Electronic Park Lock (EPL)/Ignition Lock Cylinder Control Actuator:Linear Shift Assembly: If the vehicle is equipped with a column mounted gear shift, it has a linear shift assembly on the steering column. The linear shift assembly has a cable that runs from the linear shift assembly to the ignition lock cylinder case. The purpose of this cable is to prevent the ignition key from being turned to the OFF position when the transmission is in gear and the vehicle may still be moving. The linear shift assembly cable contains a pin that is spring loaded to mechanically prevent the ignition key cylinder from being turned to the lock position when the vehicle transmission is not in the PARK position. If vehicle power is lost, and/or the transmission is not in the PARK position the operator will not be able to turn the ignition key to the lock position and will not be able to remove the ignition key from the column.

Now for the stall at stops , Your vehicle has Throttle Actuator Control (TAC) System ,electronic throttle control or drive by wire ! It is electronical controlled .
There are sensors in the gas pedal an on the throttle body ,they are connected to the PCM/ECM - engine computer with wiring ! There is a DC electric motor on the throttle body , this is what opens the throttle plate . Throttle plates do become dirty with varnish an stuff that can cause idle problems ! There are videos on youtube showing how to clean a throttle plate . How to Clean Throttle Body 2007 Chevy Trailblazer

Aug 13, 2016 | 2005 Chevrolet Chevrolet TrailBlazer EXT...

1 Answer

My torrent will not start and the key will not come out what do I do


What year is it ? Does yours have floor mounted gear shifter on the console ?
Ignition Lock Cylinder Control Actuator
If the vehicle is equipped with a floor mounted console gear shifter, it has a ignition lock cylinder control actuator system in the steering column. The ignition lock cylinder control actuator's purpose is to prevent the ignition key from being turned to the OFF position when the transmission is in gear and the vehicle may still be moving. The column ignition lock system consists of a ignition lock cylinder control actuator , and a Park position switch that is located in the automatic transmission (A/T) shift lock control switch. The ignition lock cylinder control actuator contains a pin that is spring loaded out to mechanically prevent the ignition key cylinder from being turned to the Lock position when vehicle transmission is not in the Park position. If vehicle power is lost, and/or the transmission is not in the Park position the operator will not be able to turn the ignition key to the Lock position and will not be able to remove the ignition key from the column.

Jun 21, 2016 | Pontiac Torrent Cars & Trucks

1 Answer

Opel corsa 2003 car will not lock with key only can push down other doors


some cars had the mechanical levers inside the doors disconnected as remote control actuators are used ,check out to see if they are connected still if the actuator is connected mechanically it may stop the reliable mechanical key assy from working .disconnect actuator link in door panel.
coloneus

Mar 06, 2016 | 2007 Opel Corsa Utility

1 Answer

1999 Volvo S40 cannot remove key


What make vehicle ? Most all vehicles have a safety system .Don't try an force anything you'll break it !
Electronic Park Lock (EPL)/Ignition Lock Cylinder Control Actuator: If the vehicle is equipped with automatic transmission and a floor mounted console gear shift, it has an ignition lock cylinder control actuator system in the steering column. The ignition lock cylinder control actuator purpose is to prevent the ignition key from being turned to the OFF position when the transmission is in any position other than PARK and the vehicle may still be moving. The column ignition lock system consists of an ignition lock cylinder control actuator, and a park position switch that is located in the automatic transmission shift lock control switch. The ignition lock cylinder control actuator contains a pin that is spring loaded to mechanically prevent the ignition key cylinder from being turned to the lock position when the vehicle transmission is not in the PARK position. If vehicle power is lost, and/or the transmission is not in the PARK position the operator will not be able to turn the ignition key to the lock position and will not be able to remove the ignition key from the column. They also have this on column mounted shifters !

Aug 19, 2015 | Cars & Trucks

1 Answer

2007 cadillac dts key stuck in ignition and wont shift out of park


Ignition Lock Cylinder Control Actuator
The vehicle it is equipped with a floor mounted console gear shifter, and has a ignition lock cylinder control actuator system in the steering column as an added safety feature. The ignition lock cylinder control actuator systems purpose is to prevent the steering wheel from being locked when the transmission is in gear and the vehicle may still be moving. The ignition lock cylinder control actuator system consists of the BCM, the lock cylinder relay, and the ignition lock cylinder control actuator. The ignition lock cylinder control actuator contains a pin that is spring loaded out to mechanically prevent the ignition key cylinder from being turned to the lock position when vehicle speed is above 5 mph for 15 seconds and the transmission is not in the Park position. If vehicle power is lost, and/or the transmission is not in the Park position the operator will not be able to turn the ignition key to the lock position and will not be able to remove the ignition key from the column. For situations where the vehicle must be towed, the system can be overridden by pressing a release button that is reached through an access hole located on the under side of the steering column. First, remove the black plug covering the hole.

Aug 09, 2015 | Cadillac Cars & Trucks

1 Answer

The Key FOB is stuck in the ignition. How can I get it to eject?


Most if not all vehicles have a Electronic Park Lock (EPL)/Ignition Lock Cylinder Control Actuator: If the vehicle is equipped with automatic transmission and a floor mounted console gear shift, it has an ignition lock cylinder control actuator system in the steering column. The ignition lock cylinder control actuator purpose is to prevent the ignition key from being turned to the OFF position when the transmission is in any position other than PARK and the vehicle may still be moving. The column ignition lock system consists of an ignition lock cylinder control actuator, and a park position switch that is located in the automatic transmission shift lock control switch. The ignition lock cylinder control actuator contains a pin that is spring loaded to mechanically prevent the ignition key cylinder from being turned to the lock position when the vehicle transmission is not in the PARK position. If vehicle power is lost, and/or the transmission is not in the PARK position the operator will not be able to turn the ignition key to the lock position and will not be able to remove the ignition key from the column. Or it has
Linear Shift Assembly: If the vehicle is equipped with a column mounted gear shift, it has a linear shift assembly on the steering column. The linear shift assembly has a cable that runs from the linear shift assembly to the ignition lock cylinder case. The purpose of this cable is to prevent the ignition key from being turned to the OFF position when the transmission is in gear and the vehicle may still be moving. The linear shift assembly cable contains a pin that is spring loaded to mechanically prevent the ignition key cylinder from being turned to the lock position when the vehicle transmission is not in the PARK position. If vehicle power is lost, and/or the transmission is not in the PARK position the operator will not be able to turn the ignition key to the lock position and will not be able to remove the ignition key from the column.
Your best bet is to take it to a ASE certified repair shop or the dealer ! The fix involves taking the steering column apart an or the floor shifter assembly ! Also electrical test to determine what is the problem !
Your

Jul 04, 2015 | 2008 Volvo S80

1 Answer

Manual key wont unlock saab convertible 9-3 07


Possible door lock actuator. Or you have a mechanical failure in the mechanism. Id remove door panel and inspect the mechanism but if you dont know what to look for, take to a reputable shop

Dec 30, 2012 | 2007 Saab 9-3 Aero Convertible

1 Answer

Rec'd a new replacement key to my Z3. Was told the activation process was: turn key to position 2, remove key, hold unlock button, press lock button 3 times. It does not work and the Dealer wants me to...


you are doing it right the key should be in ignition at position 2 for about 5 seconds no more than 10 removed hold unlock slowly press unlock 3 times if a door lock actuator or even the fuel door lock actuator is malfunctioning it will not work check these with driver door lock cylinder (fuel door lock does not function with central locking button) all doors should be in same locking position to perform this proceedure first try locked then unlocked hope ive been a help

May 13, 2011 | BMW Z3 Cars & Trucks

1 Answer

My key will not turn to start the car


Well I would look to the lock cylinder first, and the mechanism which locks the steering column when the key is removed second. I assume you have jiggled the steering wheel? I have actually sprayed graphite lubricant into the lock cylinder and brushed it onto a key before and had it work in freeing one up.

Nov 29, 2010 | 2004 Chevrolet TrailBlazer

2 Answers

The power door locks stopped working on my 2004 Chevy trailblazer EXT. It is a 6 cylinder key fob doesn't work. hatch won't open. fuse under rear seat is not blown.


Sounds like body computer is malfunctioning or the module that controls the door locks lost it's program.Disconnect the battery for few minutes then reconnect and check.In some cases this resets the system computer and all starts working.But if that does not helps then problem has to be checked with the power door lock system.Either a power door lock actuator or the power door lock switch. Usually the most common problems with power door locks are the actuators. They are small electric motors used to lock and unlock the car doors when activated by a switch or remote. Like any electric motor sooner or later it will fail. Replacing an actuator involves removing the interior door panel for access. Some are part of the door latch and some are independent.
Either way, door lock actuators need to be replaced if they are buzzing, working only in one mode or are not working at all. if the problem is with the door lock actuator or just the switch. If a All the door locks, only work when locking and NONE of them work to unlock, then the switch is most likely the cause.

Thanks. Keep updated for any more query. You can rate this solution and show your appreciation

Sep 03, 2010 | 2004 Chevrolet TrailBlazer

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