Can the Dealer tell what tunes you run - Ford Powerstroke Diesel Forum
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post #1 of 17 Old 02-19-2011, 10:11 AM Thread Starter
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Can the Dealer tell what tunes you run

Im curious if the Dealer can tell what tunes you are running on the truck.

As in if i run a tow tune, or a custom tune and the truck has a problem. I then flash it back to the stock tune to take it to the dealer, can they tell if its running custom?

I used to run custom tunes on my F150 and would flash it back to stock and remove my Edge tuner and pod from my dash before Dealer service.

Anyone with experience in this?

08 F350 6.4 Lariat CC LB tows a 13 Moomba Mojo 2.5
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post #2 of 17 Old 02-19-2011, 12:55 PM
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They can tell if it is not a stock tune.

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post #3 of 17 Old 02-19-2011, 12:59 PM
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They will not be able to tell what tune you have been running, but they will know you have had a tuner on it.

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post #4 of 17 Old 02-19-2011, 03:38 PM
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WOW! Nice rig there Mike!! Looks GREAT!!! Sorry to post that on this thread,, but,, nice!

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post #5 of 17 Old 02-19-2011, 07:10 PM
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One of the easiest ways to tell if there was tunes that where ripped out right before it comes in is to look at distance since clear and warmups since clear pids on the scanner.

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post #6 of 17 Old 02-19-2011, 07:16 PM Thread Starter
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Ok so I guess the answer is yes they know you changed the tune program just they can't see what you ran.

Thanks

I'm just concerned if I had a problem and took it to the dealer if they would automatically say I had ran tunes and so nothing will be covered

08 F350 6.4 Lariat CC LB tows a 13 Moomba Mojo 2.5
2inch Level kit
Mini Max tuner
S&B CAi
Diamond Eye 5inch exhaust straight pipe
HID headlights, and Fog lights
EGR delete <planned next>
Ladder bars <in the future>

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post #7 of 17 Old 02-19-2011, 07:19 PM
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Quote:
Originally Posted by jjeffrey69 View Post
WOW! Nice rig there Mike!! Looks GREAT!!! Sorry to post that on this thread,, but,, nice!
Thanks

Quote:
Originally Posted by mmandley View Post
Ok so I guess the answer is yes they know you changed the tune program just they can't see what you ran.

Thanks

I'm just concerned if I had a problem and took it to the dealer if they would automatically say I had ran tunes and so nothing will be covered
It depends on the dealer some are mod friendly

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post #8 of 17 Old 02-19-2011, 07:57 PM
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Quote:
Originally Posted by forddieseldoctor View Post
One of the easiest ways to tell if there was tunes that where ripped out right before it comes in is to look at distance since clear and warmups since clear pids on the scanner.
But is that definitive? For instance, if someone has a monitor or scanner (like my DashDAQ XL, not a tuner) which can clear DTC's they might have cleared the code just for troubleshooting purposes without any tune being present. So the question is, might that not be a misinterpretation to assume the truck was tuned because of a short distance since clears?
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post #9 of 17 Old 02-19-2011, 08:20 PM Thread Starter
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Good Point Tex

I would expect to throw a code before i went to my dealer and i would clear most codes once to see if it reappeared.

My Dealer i seriously doubt is mob friendly, hell they wont even give me a history on the truck.

08 F350 6.4 Lariat CC LB tows a 13 Moomba Mojo 2.5
2inch Level kit
Mini Max tuner
S&B CAi
Diamond Eye 5inch exhaust straight pipe
HID headlights, and Fog lights
EGR delete <planned next>
Ladder bars <in the future>

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post #10 of 17 Old 02-19-2011, 08:25 PM
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Like mentioned before, they won't be able to tell what level of tune is installed, but the will see a code that shows the computer being reflashed. I believe it's a P1000 code.


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