Automatic transmission shifter does not need brake to engage
2006 gmc w3500 can shift through without using the brake. Only have to push the button to get it out of park but can move up and down, including reverse, without pressing the button or the brake. I was told by a mechanic that that is how it is supposed to work but I don't believe so. It seems unsafe to be moving forward and have the ability to accidentally slam it into reverse so easily.
Can also remove the key with it in gear and running. I was told this is also how it is supposed to be.
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Shift - interlock system problem .
Automatic Transmission Shift Lock Control System
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 PARK position. The system consists of the following components:
• The automatic transmission shift lock control solenoid
• The automatic transmission park lock solenoid
• The automatic transmission shift lock control switch
• The transmission range switch
With the ignition in the ON position, battery voltage is supplied to the automatic transmission shift lock control switch. The circuit continues through the normally-closed switch to the automatic transmission shift lock control solenoid. The transmission range switch provides a path to ground for the automatic transmission shift lock control solenoid in the PARK position. With the automatic transmission shift lock control solenoid energized the shift lever is mechanically locked in the PARK position. When the driver presses the brake pedal, the contacts in the automatic transmission shift lock control switch open, de-energizing the automatic transmission shift lock control solenoid. This allows the shift lever to move from the PARK position. When the shift lever is out of the PARK position the controlled ground contacts in the transmission range switch open. This prevents the automatic transmission shift lock solenoid from energizing when the vehicle is out of the PARK position.
I'm assuming you're talking about an automatic transmission. When you press on the brake pedal, you engage a switch under the pedal which turns your brake lights on, and also engages a solenoid in the shifter which allows you to shift the car out of Park.
That said, are your brake lights working? If your brake lights come on when you press the brake pedal, chances are the shifter solenoid/actuator is broken. If your brake lights DO NOT come on when you press the brake pedal, chances are you have a faulty brake light switch.
Regardless which part is to blame, these are pretty simple and inexpensive repairs.
Good luck, and if this helped, please rate my answer!
your owner's manual will tell you how to over-ride the shift lock. ususally there is a hole covered by a plastic piece, next to the shifter. pop out the cover and push the button to shift. The shifter will lock back up in park until you fix the problem. You may want to set the parking brake and use neutral when you park the car instead of " Park". That way you will not have to push the release button-it will eventually break.
make sure your brake lights work; as the shift lock is powered by the brake light fuse-replace as needed.
This time only, your dealer is right. The sound is the Brake to Shift Interlock (BTSI) solenoid releasing the shift lever when you apply the brake. The sound is normal and won't hurt anything but I understand your concern.
CHECK FUSE TO BRAKE LIGHT SWITCH - NEUTRAL SAFETY SWITCH AND BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID.IF BRAKE LIGHTS WORKS.YOUR PROBLEM COULD BE THE BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID OR BAD NEUTRAL SAFETY SWITCH.MAKE SURE NEUTRAL SWITCH FUSE IS GOOD.
hi i will try help, well yes it will have adverse results on his gear box if he is putting it in drive and then reverse before the vehicle stops going forward, ile explain, when you engage the gear and drive forward, the centrifugal force is sent to the torque converter
This engages reverse gear within the transmission, giving the ability for the vehicle to drive backwards. In order for the driver to select reverse, they must come to a complete stop push the shift lock button in (or pull the shift lever forward in the case of a column shifter) and select reverse. Not coming to a complete stop can cause severe damage to the transmission. Many modern automatic transmissions have a safety mechanism in place, which does to some extent prevent (but does not completely avoid) inadvertently putting the car in reverse when the vehicle is moving forwards. This mechanism usually consists of a solenoid-controlled physical barrier on either side of the Reverse position, which is electronically engaged by a switch on the . Therefore, the brake pedal needs to be depressed in order to allow the selection of reverse. Some electronic transmissions prevent or delay engagement of reverse gear altogether while the car is moving. Some shifters with a shift button allow the driver to freely move the shifter from R to N or D, or simply moving the shifter to N or D without actually depressing the button. However, the driver cannot put back the shifter to R without depressing the shift button to prevent accidental shifting, especially at high speeds, which could damage the transmission.so hope that answers your question and end the feudlol, please vote thanks
I'm not familiar with when Chrysler stopped using the brake safety system or if they did on that model. If you are pressing the brake pedal and the shift release lever is not releasing the shifter, you will need to open the console and visually check to see if when you press the shift release button the locking pin actually raises to release the shifter. If this occurs then you need to have the transmission inspected and the braking system. All of this is on the assumption that your shifter is mounted on a center console. If it is column mounted you need to have the transmission inspected. One other thing you can try, Even though the shifter is console mounted you can still make selection by turning the column just above the dashboard to shift between the selection. I know it sounds strange but sometimes this does work indicating that the problem is truly the shifter assembly.