I left my key in the ignition all nite. I went to start it today and it will not turn over, the brake is locked, the gear shift is locked and no power to the car. 2006 Chevy Monte Carlo SS automatic.Can anyone help?
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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.
Replaced shifter on a cobalt , broken plastic part inside , wouldn't press on micro switch to disengage ! Found replacement shifter at auto slavage yard .$20.00 US
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
Check your brake light function. If that is at fault then your brake light switch may be faulty. If your brake lights are fine then you may have a faulty shift lock solenoid. Some Japanese models of that era have a button or key slot near to the shift lever. If you depress that then it should manually release the lock and allow you to move through the gears, until you move back to 'P' position at which point it will lock again.
CHECK FOR BLOWN BRAKE LIGHT SWITCH FUSE OR SEE IF BRAKES LIGHTS WORK.IF YES HOLD FOOT ON BRAKE PEDAL MAKE SURE TRANSMISSION SHIFT ALL THE WAY IN PARK.IF ALL IS GOOD.SOUND LIKE KEYLOCK CYLINDER BROKEN.IF IT WAS SECURITY THEFT SHUT DOWN YOU WOULD SEE SECURITY LIGHT.AND THE KEY WOULD TURN BUT CAR WONT CRANK.JUMP START CAR AGAIN.IF BATTERY POWER LOW THE BRAKE TRANSMISSION SHIFT INTERLOCK NOT GOING TO ALLOW IGNITION KEY TURN IN SWITCH.
Sounds like the clutch is not catching or the trans could be having problems. It may have some loose parts in the clutch. It could be that your car has locked up in security mode. I have to do this to my grandmothers van every once in awhile. Press the brake, try to turn to steering wheel all the way to left or right and try to turn the key.