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Cannot shift out of park, and no brake lights, as well as the fuse for brakes keeps shorting out

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  • 23 Answers

Brake switch is bad is located at brake pedal

Posted on Nov 23, 2013

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Posted on Jan 02, 2017

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carsandcomps
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SOURCE: 2004 nissan titan, shift lever

Hello gary823

Thank you for choosing fixya.com.

First things first: I suggest taking your truck to a mechanic or an auto parts store that can do a diagnostics test done. If any fuses or relays are blown, this test should bring up any codes that would indicate any type of malfunctions.

The shift lever being locked: In newer vechicles, the brake pedel, as you know must be pressed in order for the transmission to be put into gear. There should be a sensor on the transmission that runs in cahoots with the brakes. This sensor tells the computer what gear the transmission is in. It is very possible that at the last time you put the vehicle in Park, that the switch had it's final moment of ability. If the sensor is in fact useless, it may be the reason the transmission is locked into Park. It may be the reason why the brake lights aren't working; and why the brake lights fuse is blowing. Also, check all relays, (can be tested with a fuse tester) and make sure all relays are good as well. Make sure also that the light sockets for the brake lights, tail lights, back up lights, and front running and blinker lights are in good condition. One faulty socket, can cause more than one bulb to blow, or cause fuses and relays to blow as well. Follow the wiring for the brake lights for as far as you can to ensure there is no damage (melted, broken, etc.). This could also affect fuses. This truck I see is barely 5 years old, but you'd be surprised how quickly parts and wiring and such will go bad, or wear out and/or just quit working.

If the transmission sensor is not the problem, and all fuses and relays are good. tranny fluid is full, check the linkage under the truck. It may be jammed somehow, or stuck. On the transmission, where the lever inserts, there is a seal - inside that seal, there is like a gear that the lever pushes in order to shift from gear to gear etc. You may need to have that checked out to make sure it's not broken inside. If your fluid is low, or empty, you may have froze up your transmission, however, you most likely would have been seeing large amounts of fluid in the frequent places you park. Another think to check is your differentials. Make sure the fluid is full in each, as well as the seals not leaking. The seal sits just inside the inner most part of the pumpkin (differential ball) where the yoke is inserted. Maybe you have just locked up the rear driveline. Check the seal on the front end of the driveline as well, (goes into the rear of the transmission (yoke). Check your U-Joints as well, making sure they are intact, tight. It may be a good idea to have them replaced if they look supsicous in any way.

These are all the things I can think of that would make your truck be stuck in park, and make your lights not work, and blow fuses.

I sincerely hope this information is useful and aides in the successful repair of your truck. Thank you again for choosing fixya.com. Please let me know if I can be of further assistance, or if you have any more questions or concerns (comments).

Thank you again,

carsandcomps
Guru, fixya.com
Oregon

Posted on Apr 06, 2009

  • 4 Answers

SOURCE: unable to shift from park, no brake lights

not a fuse its the conection on your brake switch thats conected to your brake peddle or its just bad. mine had a bad conection

Posted on May 07, 2009

  • 1 Answer

SOURCE: brake switch fuse keeps blowing

I Have the same problem with my 97 ford keeps blown fuse 15 amp,when I step on the brake pedal,to shift out of park it blows the fuse.can someone help me out what to look for.I replaced the switch on brake pedal that wasn't it.

Posted on Nov 07, 2009

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1 Answer

2010 merc gm shift lever stuck in park car will start steering wheel turns


You have a shift interlock problem . What kind of vehicle ? a mercury what ?
Shift Interlock System
The shift interlock system prevents shifting from PARK unless the brake pedal is depressed. The shift interlock system consists of a shift lock actuator mounted on the selector lever. If the ignition switch is in the RUN position, the shift lock actuator is disabled when the brake pedal is depressed.
If the selector lever will not move out of PARK with the key in the ON position and the brake pedal depressed, it will need to be unlocked manually.
Do the brake lights work ?
Visually inspect for obvious signs of mechanical and electrical damage; refer to the following chart:

Visual Inspection Chart Mechanical Electrical
  • Damaged shift lock actuator
  • Damaged transmission control (TC) switch
  • Damaged shift interlock switch
  • Failed fuse(s):
    • F20 (10A)
    • F22 (15A)
  • Damaged wiring harness
  • Loose or corroded connections
  • Damaged shift interlock switch
Symptom Chart Condition Possible Sources Action
  • Shift interlock system does not release/lock correctly
  • Circuitry
  • Fuse(s):
    • F20 (10A)
    • F22 (15A)
  • Brake pedal position (BPP) switch
  • Brake shift interlock actuator
  • Brake shift interlock actuator module
  • Go To Pinpoint Test A .
PINPOINT TEST A: SHIFT INTERLOCK SYSTEM DOES NOT RELEASE/LOCK CORRECTLY Test Step Result / Action to Take A1 TEST THE BRAKE LIGHTS
  • Apply brake pedal and view brake lights.
  • Do brake lights illuminate?
Yes
GO to A7 .

No
GO to A2 . A2 TEST FUSE F22 (15A)
  • Key in OFF position.
  • Check fuse: Smart Junction Box (SJB) Fuse F22 (15A).
  • Is the resistance less than 5 ohms?
Yes
GO to A4 .

No
GO to A3 . A3 TEST THE CIRCUIT FOR A SHORT TO GROUND
  • Key in OFF position.
  • Disconnect: Brake Pedal Position (BPP) Switch.
  • Measure the resistance between pin 1 and ground.
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  • Is the resistance greater than 10,000 ohms?
Yes
GO to A4 .

No
REPAIR circuit for short to ground. TEST the system for normal operation
Do

Jun 19, 2016 | 2010 Mercury Grand Marquis

2 Answers

Can't shift out of park, no brake lights


This is a problem with the brake sensor lockout. Most likely it is out of place or broken and shorting. It is on the brake pedal lever.

Dec 09, 2015 | 2002 Ford Escape

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 have a problem with the brake litesthe shifter does not come out of parkand now it wont start. The starter and battery sound strong just wont turn over could they all be connected with the brake pedle...


CHECK BRAKE LIGHTS FUSE.IF FUSE OKAY.BRAKE LIGHT SWITCH IS BAD.VECHICLE NOT SHIFTING OUT OF PARK PROBLEM COULD BE BLOWED FUSE OR CLUTCH PEDAL SWITCH FOR MANUAL TRANSMISSION OR TRANSMISSION RANGE SENSOR FAULTY AND PROBLEM IN BRAKE LIGHT SWITCH IF FAULTY IT WILL KEEP THE BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID FROM WORKING KEEPING YOU FROM GETTING VECHICLE OUT OF PARK.IF BRAKE SWITCH IS GOOD.PROBLEM IN THE BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID.

Jul 16, 2010 | 2002 Ford Mustang

2 Answers

Will not come out of Park,and the ABS light is flashing.


check to see if you have brake lights, if not you will need a brake light switch. if the brake light switch goes bad it will not let the shift interlock selenoid to release.

Apr 26, 2010 | 1996 Ford F350 Crew Cab

3 Answers

Car won't shift out of park while turned on


YEP BRAKE LIGHT SWITCH FUSE IS BLOWED.WHEN ITS BLOWED IT WILL KEEP BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID FROM WORKING.YOU CANT GET CAR OUT OF PARK.IT NEEDS POWER TO WORK.FUSES BLOWS AT BRAKE SWITCH NO POWER.YOU WILL NOT GET IT OUT OF PARK.SO CHECK FUSE THAT COULD BE YOUR PROBLEM.

Nov 08, 2009 | 2004 Ford Focus

1 Answer

Transmission won't shift out of park


in most cases the shift lockout mechanism has to see a signal from the brake light switch, poss. the brake light fuse is blown or the brake light switch is iether out of adjustment or shorted, first have some one stand behind the vehicle while you step on the brake pedal, do you have brake lights ? no, check all the fuses, and or brake light switch, yes, poss problem with lockout system.

Oct 16, 2009 | 2003 Volkswagen Jetta TDI

2 Answers

No brake lights, fuses keep blowing and wont shift out of park


I would look for a wiring short in the trunk at the taillamp area, or, inspect the sockets for the taillamp bulbs for corrosion. In any case, you have a short circuit in the trunk area, also check the wire that comes from the body & goes up the trunk hinge on the driver side; that wire may be chafed, and it may be shorting out. Hope this helps; please get back to me if you need any further assistance.

Nov 04, 2008 | 1996 Toyota Corolla

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