Cayenne 955/957 Porsche's SUV up to 2011. Cayenne, Cayenne S, and Cayenne Turbo message forum.

PCM Reboot 1 4 & 8

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Old Mar 31, 2010 | 04:35 PM
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PCM Reboot 1 4 & 8

I'd been looking for a way to reset my PCM without having to turn off the car etc and found it under the cool things about your porsche. Really appreciated the post and just wanted to pull it up here for those that missed it and need it (from my searching it seems like there's alot of us)



pressing 1, 4 and 8 at the same time on the PCM keypad will reset the PCM unit.
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Old Mar 31, 2010 | 04:57 PM
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Awesome thanks for sharing!! I love this car!
 
Old Apr 1, 2010 | 07:49 PM
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Wow I need to try this. Is this when the PCM is on but will not respond? I seem to get this about once a month.
 
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