do programmers leave code in memory??
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Senior User
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From: ontario, canada
do programmers leave code in memory??
I have my truck in getting the fuel filters changed back in my home town. i was talking to a friend of mine there who is the diesel guy. so i started to talk with him about programmers etc.. apparently according to him the newest version of programming in the 6.0l will store some sort of code that cannot be deleted from disconnecting batteries and things like that. So my question is has anyone else heard this??? and do modules like the banks or edge cause anything like this??
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im not sure what all the codes are ..... but i know a p100 is a code that is left in after all codes are cleared which is more driving needed ... so if your programer leaves that code i would drive it for a while so that code clears itself out ...
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I have not heard of it storing any data just possibly showing when a flash was done. If they wanted to try to track that maybe they could. I did hear that Dodge stores data from the tuner that is not can not be erased. I have not confirmed this though. If it is true then it is only a matter of time before everyone is doing it. Especially with all the tuning options out there for diesels the major mfg's don't want to pay for warranty work if they can prove mods were done.
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My understanding is that they can figure out that you've used a tuner or module because the system does record maximum attained values of certain things such as the injector pressures and pulse widths. The types of things that the tuners and modules modify to gain power.
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From: ontario, canada
Originally Posted by 6L PWR
My understanding is that they can figure out that you've used a tuner or module because the system does record maximum attained values of certain things such as the injector pressures and pulse widths. The types of things that the tuners and modules modify to gain power.
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From: ontario, canada
Originally Posted by CanadaGuy
I can usually find evidence without much of a problem. It's actually one of the more entertaining parts of my job.
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Originally Posted by 006f350diesel
even with the modules like a banks 6 gun etc??
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From: Lake Mary, FL
Something needs to be clarified:
"Trouble codes" and "Changes in code" are two very different things.
Trouble codes are not really a big deal. They can be cleared, and also can be explained on a stock truck. Example: P1000 or P0603
Any stock truck will show these codes if you simply disconnect the battery.
If the actual tuning code is changed, you now have a vehicle that isn't stock, and it becomes easier for the dealer to start pointing fingers.
"Trouble codes" and "Changes in code" are two very different things.
Trouble codes are not really a big deal. They can be cleared, and also can be explained on a stock truck. Example: P1000 or P0603
Any stock truck will show these codes if you simply disconnect the battery.
If the actual tuning code is changed, you now have a vehicle that isn't stock, and it becomes easier for the dealer to start pointing fingers.
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I would have never thought about tuning mine until I got the last flash. I lost so much power and it really made me mad. I spent x amount of $ to later have some of what I purchase taken away. Ford should refund me some $ for not providing a product that was advertised. Oh that is right they did provide it and they can changed it at will with out notice to me. Forgot to read the fine print!!!!!!
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From: ontario, canada
Originally Posted by Vic_Ferrari
Something needs to be clarified:
"Trouble codes" and "Changes in code" are two very different things.
Trouble codes are not really a big deal. They can be cleared, and also can be explained on a stock truck. Example: P1000 or P0603
Any stock truck will show these codes if you simply disconnect the battery.
If the actual tuning code is changed, you now have a vehicle that isn't stock, and it becomes easier for the dealer to start pointing fingers.
"Trouble codes" and "Changes in code" are two very different things.
Trouble codes are not really a big deal. They can be cleared, and also can be explained on a stock truck. Example: P1000 or P0603
Any stock truck will show these codes if you simply disconnect the battery.
If the actual tuning code is changed, you now have a vehicle that isn't stock, and it becomes easier for the dealer to start pointing fingers.
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From: Fate, TX
With all due respect to most mechanics, it has come to the point that some of the line mechanics at dealerships have taken on a "Little Ceasar" attitude. I don't know if some one has put a bounty on any performance enhancement or if these guys are coming out of a training center that is teaching this stuff. For whatever reason it always seems to be a newly certified tech that cops this attitude. I stick with the same dealer just because they know I buy from them and will until they develope that same mentality.
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From: ontario, canada
i have a friend at a dealer that would take care of it for me if anything happened to it. the only problem is he and the dealer is a 5 hour drive from where i live. not to handy if i blow head gaskets or something
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From: Lake Mary, FL
Originally Posted by 006f350diesel
i have a few mechanic friends at different dealers that all said the same thing "you cant hide anything".
I'll tell you straight up, thats an outright lie, (or a mechanic whose "ASE" certification makes them believe they know everything or can tell you anything).....
Remember, they generally are on Fords side because they work for Ford.
Mechanics can be so cocky (but then again, so can former calibrators, LOL!!)
If all programming is back to stock, the dealer will not be able to tell, regardless of "trouble codes"
Any of the trouble codes programmers cause can be (and have been) tripped on a stock truck.
I and others spent quite some time testing this.
We were taking brand new trucks from the lot, disconnecting the battery, reconnecting it and getting a P1000 (more driving required) and P0603 (KAM-Keep Alive Memory).
Bottom line: If a dealer sees a P0603 or P1000, they can not assume you've had tuning.
Until they implement some type of flash-logging system within the PCM, this will remain true.
Of course, if programming is not stock, a simple upload of the calibration file will tell the tale of tuning.
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If a truck were to be towed in with a head gasket failure, and a p1000 and/or p0603, it doesn't take a genius to figure out what is going on... although it is nothing positively identify a tuner has been used.
I find that mode9 data sometimes has weird module IDs if a tuner was being used, I acutally one time had one tell me I was working on a Scorpio...
The 4.5 uses new(er) electronics that has a log, date and time clock, and is apparently a real pain in the *** to reflash, and is supposed to be the electronics that the 6.4 is going to get. I don't know if they are doing this to try eliminate the use of programming... or if it's just a better system. Time will tell.
I find that mode9 data sometimes has weird module IDs if a tuner was being used, I acutally one time had one tell me I was working on a Scorpio...
The 4.5 uses new(er) electronics that has a log, date and time clock, and is apparently a real pain in the *** to reflash, and is supposed to be the electronics that the 6.4 is going to get. I don't know if they are doing this to try eliminate the use of programming... or if it's just a better system. Time will tell.
Last edited by CanadaGuy; Jul 5, 2006 at 06:43 PM.
