Question about 2002 Chevrolet Blazer

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Shiter we have a chevy trail blazer that wont lock into park position and will not disengage the key also we can shift it into the gears with out useing the button

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Couple things apply brake when shifting out of non running vehicle or you should be able to with key still on the on position with engine not running apply brake shift down to nuetral then start vehicle up with applied brake shift into park

if this isnt working then inside key cylinder the k.c. pin that locks the column is broke or wore down you should be able to at least get the blazer into neutral to shift out back to park

under neith the blazer there is a saftey shift module that if this is worn it wont let you shift or you can shift with dead engine and no brake applied this might need to be replaced by tranny tech

the other way to unshift the shiter is have a buddy with you this is a little finness in what i say next
chock the wheels from rolling on a hill disengage the saftey brake now start pushing on the vehicle with engine off back and forth this disengages the 4x4 locked hubs gotta roll back a little but be sure not to let vehicle run over buddy

these are just a couple things off the top of my head that i can think of since im not actually there to see in person i hope this helped

Posted on Jun 02, 2008

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Posted on Jan 02, 2017

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Holden cruze 2009 key stuck in the ignition won't go to off position , can't get it out of park .What is the problem ?


Is it shifter on the floor ?
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 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.

GM had problems with these ! Has a TSB - technical service bulletin !
Automatic Transmission Shift Lock Control Description and Operation
The automatic transmission shift lock control system is a safety device that prevents an inadvertent shift out of PARK when the engine is running. The driver must press the brake pedal before moving the shift lever out of the PARK position. The system consists of the following components:
• The automatic transmission shift lock solenoid (serviced as the automatic transmission shift lock actuator), as well as the body control module (BCM) and the engine control module (ECM). The shift lock solenoid is located within the floor shift control assembly with vehicles equipped with floor shift.
• The BCM controls the voltage to the shift lock control solenoid through the shift lock control solenoid controlled voltage circuit. The following conditions must be met before the BCM will remove voltage from the shift lock solenoid:
- The ignition is in the ON position.
- The engine control module (ECM) sends an input via GMLAN serial data to the BCM indicating the transmission is in the PARK position.
- The BCM determines the brake pedal is applied according the brake pedal position.
Since the shift lock control solenoid is permanently grounded, the BCM supplies voltage to the automatic transmission shift lock control solenoid, mechanically locking the shift lever in the PARK position as the solenoid energizes. When the brake pedal is applied, the BCM turns the control voltage output of the shift lock control solenoid OFF, de-energizing the shift lock control solenoid. The de-energized solenoid releases the mechanical lock allowing the driver to move the shift lever out of the PARK position. When the transmission is out of the PARK position, the shift lock control solenoid remains de-energized.
During remote start operation, the BCM will energize the shift lock control circuit, locking the shift lever in the PARK position.
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3 Answers

How do I get a stuck key out of an ignition lock cylinder on a 2006 chevy impala 3.9 motor


Does it go into the lock position ? Will the shifter go into the park position ? Is it a automatic transmission ?
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.
There should be a hole in the bottom of plastic steering cover or a rubber cover that comes out . you can stick your finger up there an there is a button you push that will allow you to take out the key !
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Hi,
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1 Answer

97 chevy blazer shifter wont go into park


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Jan 30, 2014 | 1997 Chevrolet Blazer

1 Answer

I have a 2003 Chevy blazer xtreme 4.3 v6 automatic transmission and its giving me some issues with the console shifter and ignition system! Every other time I put the blazer in park and try to take the key...


Fixing stuck key in your gmc envoy same as a blazer !
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 as an added safety feature. The ignition lock cylinder control actuators purpose is to prevent the steering wheel from being locked 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 acutator, and a park position switch that is located in the A/T shift lock control switch. The ignition lock cylinder control acutator 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.

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1 Answer

Trail blazer gear shift button


Could be the brake switch or the shift lock solenoid. You may be able to turn the key lock to the unlock position, move the shifter out of park, then start the engine in neutral.
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1 Answer

Turned trail blazer ignition off in reverse, can't start now and is stuck in reverse


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