Question about Chevrolet 1500

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When i apply brake to shift from park to drive shift lever will not shift

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Brake switch. probably has a dpdt switch, and one side is bad, or needs adjustment

Posted on Sep 07, 2010

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Trans switch has went bad it is on the brake pedal

Posted on Sep 07, 2010

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Need to remove center console in 2007 buick Lucerne, stuck in park


Do you know why it's stuck in park ? Do the brake lights work ?
Automatic Transmission Shift Lock Control Description and Operation (Floor Shift)
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)/powertrain control module (PCM). The shift lock solenoid is located within the floor shift control assembly with vehicles equipped with floor shift.
• The BCM controls the voltage supply circuit of the shift lock control solenoid. The following conditions must be before the BCM will supply voltage to the shift lock control solenoid.
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 supply voltage to the shift lock solenoid:
• The ignition is in the ON position.
• The ECM/PCM 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 unlocking the shift lever allowing the driver to move the shift lever out of the PARK position as the solenoid energizes. When the brake pedal is not 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 mechanically locks the shift lever in the PARK position.
During remote start operation, the BCM will de-energize the shift lock control circuit, locking the shift lever in the PARK position.
Do you know what DTC'S are ?
DTC B2705 Gearshift Unlock Circuit !
The body control module (BCM) controls the shift lock solenoid by providing battery voltage to the shift lock control solenoid. The BCM utilizes a smart driver to control the voltage supplied to the shift lock solenoid. The smart driver monitors the voltage and current flow of the control circuit.

Transmission Control Lever Malfunction (Floor Shift)
Circuit/System Verification
Ignition ON, while pressing the brake pedal, observe the scan tool Brake Applied Output Signal parameter. The reading should be ON with the brake pedal pressed.
? If not the specified value, refer to Stop Lamps Malfunction .
Press the brake pedal, the vehicle operator should be able to move the shifter lever out of the park position.
With the vehicle moving over 5 km/h (3 mph), the vehicle operator should not be able to move the shift lever into the reverse position.

May 25, 2017 | Buick Cars & Trucks

3 Answers

Shifting Out of Park Position


hi..

spaclear.gif A simple procedure to prevent being jammed in PARK on a grade:
  1. Do not put it in PARK until, with foot brake applied, you've secured the parking (emergency) brake.


  2. Before releasing the parking brake, apply the foot brake and move the shift lever to NEUTRAL or DRIVE.
spaclear.gif

Sep 13, 2008 | 1991 Honda Accord

1 Answer

Fuse for brake lights keeps blowing out, shifter won't go into gear


Your vehicle has a safety system that won't let you take it out of park unless you have the brake pedal pressed ! Your brake switch could be shorted inside causing fuse to blow !
Shift Interlock System A brake/shifter interlock mechanism prevents shifting the transmission out of the PARK position unless the brake pedal (2455) is applied. The system consists of the following components:
  • an actuator activated by the key interlock assembly and brake pedal pressed input.
  • necessary wiring.
The system operates as follows:
  • The actuator is energized when the ignition switch is turned to RUN, locking the transmission range selector lever in the PARK position. When the brake pedal is applied and the stoplight switch (13480) is activated, the shift lock actuator is deactivated.
  • The transmission range selector lever can be moved out of the PARK position.
The ignition/shifter interlock cable (3F719) locks the transmission range selector lever in the PARK position when the ignition switch is in the LOCK position. It also requires the selector lever to be in the PARK position to turn the ignition switch to the LOCK position.

Sep 02, 2015 | 1998 Lincoln Mark VIII

1 Answer

I can't shift from parking to gear


You have to fully apply your regular brakes before you can shift from PARK (P) when the ignition key is in the RUN position. If you cannot shift out of PARK (P), ease pressure on the shift lever -- push the shift lever all the way into PARK (P) and also release the shift lever button on floor shift console models -- as you maintain brake application. Then move the shift lever into the gear you wish.

Mar 17, 2015 | 1995 Buick Skylark

2 Answers

How to unlock the shifter..... the car turn on, but i cant to move the shifter


Just turn the car on, but Dont start it and put it in nutruel then start it... This she work til you can afford to fix it...

Jan 20, 2015 | 2003 Cadillac CTS

1 Answer

My 2008 Colorado cannot shift out park gear.I drove home in 4wd on Monday through snow and slush and parked. On Tuesday morning I couldn't get it out of park. I hefted on the shifter for quite a while and...


It may or may not be a problem with shifter interlock system .
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 the PARK position. The system consists of the following components:
• The automatic transmission shift lock control solenoid
• The body control module (BCM)
• The engine control module (ECM)
• The transmission control module (TCM)
The body control module (BCM) controls the voltage supply circuit of the shift lock control solenoid. The following conditions must be met before the BCM will supply battery voltage to the shift lock control solenoid:
• The ignition is in the ON position.
• The ECM sends a serial data message to the BCM indicating the transmission is in the PARK position.
• The ECM receives a brake applied input from the brake light switch and sends a serial data message to the BCM indicating the brakes are not applied.
With the above conditions met, the BCM supplies battery voltage to the shift lock control solenoid. The solenoid is permanently grounded and therefore energizes, locking the shift lever in the PARK position. When the brake pedal is depressed the ECM send a serial data message to the BCM indicating the brakes are applied. The BCM turns off the battery voltage supply to the shift lock control solenoid. This de-energizes the shift lock control solenoid releasing the mechanical lock, allowing the driver to move the shift lever out of the PARK position. With the shift lever out of the PARK position the ECM sends a serial data message to the BCM and no voltage is applied to the shift lock control solenoid.

Apr 20, 2017 | Cars & Trucks

1 Answer

Shift lever stuck in park


The park is locked out with a pin that is pulled back by small electric solenoid plunger, the solenoid is powered when you step on the brake pedal, so it the brake lights are not working then the shifter will not release from park. The idea here is of course to have the brakes applied before the car is put in "Drive", it is called the Park lock safety feature by Ford. You should be able to override this by turning the ignition switch to just short of the on/run position (between off and run) while jiggling the shift lever.

Oct 07, 2011 | 1996 Ford Explorer

1 Answer

When park on a hill or slope. the transmission makes a loud noise when **** to reverse or drive. but on flat surface it's smooth shifting.


before you return the shifting lever to park on a hilly slope please apply parking brake first then shift the lever to park.now when pulling off shift to drive then remove park brake no loud noise.just my 2 cents

Sep 15, 2011 | 2004 Nissan Armada

1 Answer

When I start the car, I can't put the car in shift mode. Unless I am on a slight incline and put my emergency brake on to roll. What is the problem and how much will it cost me to fix?


Can't shift out of park because I've parked on a slight hill and my car has backed up slightly jaming the parking pawl in the automatic transmission after I have shifted into park but before I have set the parking brake. This is a complaint that Ford owners have had for years. Try this proceedure to see if this solves you problem and best of all it's Free. 1st when you park develop the habit of; while still having the foot brake down apply the park brake firmly first and then shift into park and then release the foot brake. Remember it is important to apply park brake with enough force to prevent the vehicle from rolling. What happens is in the rear of an automatic transmission there is a coarse gear that has a lever that engages this larger gear and when you shift into park range this lever goes into one of the spaces in the larger gear and stops the car from rolling. If the car starts to roll it can Jam the lever against the gear and make it difficult to shift out of park. By using the procedure I've outlined it prevents the lever OR Pawl from being jambed into the larger park gear. Try to make this a habit and you shouldn't have anymore problems.

Oct 14, 2010 | Ford Taurus Cars & Trucks

1 Answer

Can not shift trans into park


Are you saying that the car did not stop when you applied the brakes?
A vehicle does not automatically go into park when the brakes are applied. You have to manually put the vehicle in park with the shift lever.
If your car is not STOPPING when you apply the brakes - then this is a serious problem with the BRAKES!

Jun 27, 2009 | 2005 Chevrolet Impala

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