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Apr 1, 2009 | 07:26 PM

in heat

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po605

got my new tuner today and for four hundred dollars all it does is turn the check engine light on trouble code is po605 and the truck onky has 16500 miles on it and withe the canned tunes I cant say it makes a bit of difference no better throttle responce and no better acelleration? these things must do something?

Apr 1, 2009 | 07:42 PM

senix

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From: Frederick, MD

get your money back! What kind of tune, what type of motor do you have.

Apr 1, 2009 | 07:46 PM

in heat

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Quote:

Originally Posted by senix

get your money back! What kind of tune, what type of motor do you have.

sct running canned tune no dif at all just a check engine light

Apr 1, 2009 | 07:47 PM

in heat

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5.4 witha thrush chambered muffler and the air box modded

Apr 1, 2009 | 07:48 PM

in heat

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can't turn up rev limiter in newtral truck gos better stock in tow haul mode

Apr 1, 2009 | 07:49 PM

in heat

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I don't have the custom tunes yet but I really don't like cel on in a truck that isnt even a year old yet?

Apr 1, 2009 | 09:48 PM

PowerStrokeHD

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Not sure if you checked what the P0605 DTC is, but it sure looks to be related to your new tuner...

P0605 - Internal Control Module Read Only Memory (ROM) Error

Description - The powertrain control module (PCM) ROM has been corrupted.

Possible Causes...

- An attempt was made to change the calibration
- Module programming error
- Damaged PCM
- Aftermarket performance products