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Automatic GMC Yukon - becoming increasingly difficult to get key to turn in ignition. I typically park on a hill with no pkg brake - is that part of it

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No the brake has nothing to do with it. i would try a different key or the key slot is going bad from ware and tare so might need a new one then

Posted on Nov 19, 2009


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Shifter stuck in park, car won't start, brake pedal will not move?

check the voltage on the battery should be over 12 volts

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Gmc troubleshooting

More likely the shift cable is binding. Also make sure you fully apply the emergency brake when you park before shifting into Park. This will prevent loading the linkage by the parking pawl making it difficult to move the lever. Especially when parking on a hill.

Also make sure you are pressing the brake pedal when shifting our of Park. Sometimes the brake light switch can be intermittent and either the switch is bad or the switch is out of alignment with the brake pedal lever. This not the most common cause.

Jul 14, 2014 | 1997 GMC Sierra

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Oil change tech says my idle relearn needs fixing on my 2001 Yukon XL...can my husband do this?

{: ) Anytime the powertrain control module (PCM) or the battery is disconnected, the PCM loses power, or the PCM is reprogrammed, the PCMs learned idle position is lost. The engine idle is unstable when the learned idle position is lost. For a 2001 Yukon XL, you can try these steps: Automatic Transmission
  1. Turn OFF the ignition.
  2. Restore the PCM battery feed. ( IF it was disconnected)
  3. Turn OFF the A/C controls.
  4. Set the parking brake and block the drive wheels.
  5. Start the engine.
  6. Ensure that the engine coolant temperature is more than 80°C (176°F).
  7. Shift the transmission into Drive.
  8. Allow the engine to idle for 5 minutes.
  9. Shift the transmission into Park.
  10. Allow the engine to idle for 5 minutes.
  11. Turn OFF the engine for 30 seconds.
Manual Transmission
  1. Turn OFF the ignition.
  2. Restore the PCM battery feed. (IF it was disconnected)
  3. Turn OFF the A/C controls.
  4. Set the parking brake and block the drive wheels.
  5. Place the transmission in Neutral.
  6. Start the engine.
  7. Ensure that the engine coolant temperature is more than 80°C (176°F).
  8. Allow the engine to idle for 5 minutes.
  9. Turn OFF the engine for 30 seconds.
After the procedure, you can do testing and observations. If unsuccessful, you may repeat the steps.
Also, the best time to relearn idle is after a throttle body clean (from carbon deposits)

Jul 13, 2011 | GMC Yukon XL Cars & Trucks

1 Answer

Automatic shifter will not get out of park or release key from ignition.

Could be one of two things, both are easy to fix.

1. Faulty brake light switch - are your brake lights working? If not, your brake light switch is broken, and needs to be replaced. It sits directly under the brake pedal, and has a two-pronged wire harness plugged into it. The reason it won't shift out of Park is because it wants the brake pedal pressed before shifting into gear. And if the brake light switch is broken, it doesn't "know" that you've pressed the brake pedal.

The brake light switch should look something like this:

2. If your steering wheel was turned when you parked the car, it's possible that that the steering interlock is binding up. Simple thing to try - press the brake, and turn the wheel slightly to one direction or the other (it'll probably only go one way), while turning the key. You'll feel it loosen up. This can also happen if you're parked on a hill or against a curb.

Good luck, and let us know how it turns out!

Jan 29, 2011 | 1990 Honda Accord

1 Answer

I cant get my 95 yukon out of park. the brake light switch i think is ok. i am thinking that it is the bracket that it slides into. how can i know for sure and how can i fix this issue

Well, if you key the ignition up without starting, pull back on the shifter handle and try to move it to reverse--while depressing the brake pedal--have someone look at the brake lights while you hit the pedal to be sure they are coming on.

Is the truck on a hill putting the parking pawl in a bind?

Oct 04, 2010 | 1995 GMC Yukon

1 Answer

My 2007 GMC Yukon has locked itself 3X once with

locks have so many key positions but on a popular vehicle this can happen where they have the same key indentations ,but yopu friend couldnt start your car as it has a chipped key ,but years ago in the car rental we had two fiat puntos parked in the same car park in torrevieja and they got taken by the wrong persons so we had to drive around and find the houses and get the cars back and swop them over .but this was before chipped keys ,also had it with two ford fiestas in benidorm as well

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The parking brake pedal goes all the way to the floor on my 2002 GMC Yukon XL and does not hold the vehicle. I got under the vehicle to check. I pulled on the cable coming from the front and could easily...

I have a F-350 with the same type setup. I think it is more likely the cables have stretched some. Also, my Ford has an adjustment wheel (like regular drum brakes) so you should be able to adjust them to take up some or all of that slack. And last, the shoes for my Ford (aftermarket) are $27 (for BOTH sides). The dealer is out to make a nice profit.

Dec 08, 2009 | 2001 GMC Yukon Denali

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Saturn vue ignition key won't turn

It was very likely that the problem turning the key was due to the steering column lock mechanism. Sometimes when you lock the steering wheel, if you the mechanism will bind up, making it difficult to unlock the ignition with the key. Often when this happens, you will be parked on a hill with your wheels agains a curb or some such item. Once you turn the wheel hard to the right (or left), the pressure is released on the locking mechanism, and the key will turn easily. This is a similar situation to what can happen in an automatic if you park on a hill without the parking brake.
try doing this:
pop the off the circle piece around the ignition and the holster cover under the steering wheel.
that ought to work.

Jul 29, 2009 | 2004 Saturn VUE

1 Answer

The key to the ignition won't turn and I can't turn my car on

Stupid question but have you parked with the steering turned hard on way

Have you tried rocking the steering wheel left to right as you wiggle the key in the ignition

May 24, 2009 | 2003 GMC Yukon XL

1 Answer

The ignition won't turn for a 2003 gmc yukon denali

make sure the wheels are straight.. if you park them with them turned to one side the steering column is under a bind.... if they are turned all the way to the right you will for example have to turn it a little to the left to release pressure as you turn the key...

Nov 26, 2008 | 2003 GMC Yukon Denali

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