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Key stuck at “ACC”?

Tiny
JICCHUN
  • MEMBER
  • 2009 HYUNDAI TUCSON
  • 2.0L
  • 2WD
  • AUTOMATIC
  • 103,425,371 MILES
After I park my auto then turn the key left for turning off engine, the key goes to “ACC” and won’t turn any further left. Key won’t get out. After leaving the key in the “Acc” position for a few minutes, and without touching the steering wheel I suddenly can turn the key all the way left and take out the key from the ignition switch. It is not the ignition switch they told me. What can be the issue?
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Monday, August 29th, 2022 AT 6:37 AM

9 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,305 POSTS
It does sound like the ignition switch that needs lubrication, have you tried WD40 inside the keyhole of the ignition tumbler? This what I would do this guide can help as well.

https://www.2carpros.com/articles/ignition-switch-wont-turn-stuck

The ignition lock has many little moving parts that can jam if not properly lubricated. Let us know what happens and please upload pictures or videos of the problem.
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Monday, August 29th, 2022 AT 12:16 PM
Tiny
JICCHUN
  • MEMBER
  • 6 POSTS
I already have tried; key comes out after a few seconds. But why does the key come out after a few minutes when stuck at “Acc” without using wd40 or doing nothing? Can you explain what can be the problem?
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Monday, August 29th, 2022 AT 2:08 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,305 POSTS
It looks like there is an ignition lock switch down at the steering column if this switch is not working it may cause the problem you are having. The next this I would do is a CAN scan which is easy. You can get a CAN scanner from Amazon for about $30.00.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

Here is a scanner link:

https://amzn.to/3o41KcZ

Check the location of the ignition lock switch below.
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Tuesday, August 30th, 2022 AT 12:23 PM
Tiny
JICCHUN
  • MEMBER
  • 6 POSTS
Today I park and turn the key for turning off engine it went to “ Acc” and won’t turn left anymore, I hold/push the head of the ignition switch with my left index finger and at the same time I turn the key and it went all the way left turning my engine off and I could pull out the key. During the day I did the same 3 times : left index finger holding the head of the ignition switch and turning the key out : without any problem, but when I arrived home I did the same operation but this time it gets stuck again at “Acc”. I left the key at “Acc” without touching the key, the ignition switch or the steering wheel and after 3 or 4 minutes I could turn the key all the way left for taking out the key without doing nothing. What can be the solution for this?
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Tuesday, August 30th, 2022 AT 4:40 PM
Tiny
KEN L
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  • 48,305 POSTS
Yep, you need a key lock tumbler replacement. You will probably need it to be coded, I would call the dealer for the part and ask if this is the case.
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Wednesday, August 31st, 2022 AT 11:56 AM
Tiny
JICCHUN
  • MEMBER
  • 6 POSTS
Is the key lock tumbler the same as the ignition switch? If not, can you send me a picture? I have Google it but I’ m not sure. And what is the work of the key lock tumbler and where is it located? Thanks
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Wednesday, August 31st, 2022 AT 3:42 PM
Tiny
KEN L
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Yes, it is the lock tumbler not the switch, for some reason AllData and M1 does not show the repair, sorry.
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Friday, September 2nd, 2022 AT 9:12 AM
Tiny
JICCHUN
  • MEMBER
  • 6 POSTS
Still, I don’t know what is or why the problem and the solution. Next week a person who knows about electronics on car repair will check my issue. If he can fix it I will give you the answer about specifically my car Hyundai Tucson 2009 automatic. Bye for now.
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Friday, September 2nd, 2022 AT 11:07 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Thank you, I would appreciate it, have a nice weekend.
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Saturday, September 3rd, 2022 AT 11:23 AM

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