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Touch screen failure

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Old Dec 30, 2019 | 02:49 PM
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Default Touch screen failure
Yesterday, on a sunny day drive, i tried to change the radio station on the touch screen. Tapping with my finger didn't work, had to change stations the old fashion way with the ****! Any ideas about whats wrong?? We're talking about a 2012.5 CS. Thanks.
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Old Dec 31, 2019 | 06:58 PM
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Wow, no bites on this one eh?
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Old Dec 31, 2019 | 09:30 PM
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Interesting. Have driven the car a few times since this happened and it is still occurring?
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Old Dec 31, 2019 | 11:36 PM
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Try rebooting the PCM: https://rennlist.com/forums/991/1175...e-booting.html

There are other threads as well - search can be your friend.
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Old Jan 1, 2020 | 07:43 PM
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Tried again today after a 3 day lock down. Still no touch screen? I'll see if the stealer ship has any ideas.
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Old Jan 6, 2020 | 08:07 PM
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Bob Z, you were right! Simple PCM re-boot!! Sorta weird that the "touch screen" feature alone just went away and nothing else.
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Old Jan 6, 2020 | 08:18 PM
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Originally Posted by mymac
Bob Z, you were right! Simple PCM re-boot!! Sorta weird that the "touch screen" feature alone just went away and nothing else.
Electrical gremlins are strange creatures...glad you got it working.
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Old Jan 6, 2020 | 11:36 PM
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Originally Posted by mymac
Bob Z, you were right! Simple PCM re-boot!! Sorta weird that the "touch screen" feature alone just went away and nothing else.
I read the post that Bob linked to. Did not see the sequence for pcm reboot.

What exactly did you do to reboot the PCM?
Last edited by Jack F; Jan 7, 2020 at 09:54 PM.
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Old Jan 7, 2020 | 12:27 PM
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Originally Posted by Jack F
I read the post that Bob linked to. Did see the sequence for pcm reboot.

What exactly did you do to reboot the PCM?
I had same question. Please elaborate.
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Old Jan 7, 2020 | 07:05 PM
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My dealership did it for free
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Old Jan 8, 2020 | 09:50 AM
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Try turning on the ignition. Then push the Info and Sound buttons together for 15 seconds.
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Old Jan 8, 2020 | 09:57 AM
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There are numerous ways to reset the PCM and if you Google " reset porsche PCM" so you can decide which one to try, and your owner's manual should also have something: http://www.porscheownersmanuals.com/...sonal-settings
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