How do you reset the PCM? - Diesel Bombers



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Old 11-17-2011, 05:42 PM
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Default How do you reset the PCM?

trying to help a friend out. how do you reset the PCM..?
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Old 11-17-2011, 09:26 PM
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What do you mean reset the PCM?
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Old 11-18-2011, 10:25 AM
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He installed a chip and he defiantly did not do it right. Before install no codes and now he has a whole bunch of codes and his truck will not start. I was wondering if there is a way to reset to default factory settings.
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Old 11-18-2011, 10:31 AM
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Every chip manufacturer should have saved the 'factory defaults' into the programmer before changing the settings. By programming the lowest setting should put the truck back to 'factory defaults'.

Let us know.
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Old 11-19-2011, 02:48 AM
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Does it run and start with the chip removed? If not I'd say pm is hot and well need redone
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Old 11-21-2011, 10:13 PM
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Quote:
Originally Posted by The hosser View Post
He installed a chip and he defiantly did not do it right. Before install no codes and now he has a whole bunch of codes and his truck will not start. I was wondering if there is a way to reset to default factory settings.
The PCM will store the codes until they are deleted with a scanner...

What are his whole bunch of codes?

Quote:
Originally Posted by woody01234 View Post
Every chip manufacturer should have saved the 'factory defaults' into the programmer before changing the settings. By programming the lowest setting should put the truck back to 'factory defaults'.

Let us know.
You need to understand the difference between a chip, and a programer.

A programer will store the factory parameters onto it and load its own...

A chip overrides the factory PCM programing until such time as the chip is removed.
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Old 11-22-2011, 02:49 PM
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Problem fixed. it was the ac compressor. Replaced all is good. No more codes. Thanks for your help.
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