High idle; automatic and manually set?
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High idle; automatic and manually set?
I was going to ask this in "Imagine my suprise..." thread, but figured I would ask this seperate. Does anyone know if once my truck is reflashed to allow me to high idle, does the ECM loose the ability for it to high-idle itself? Is it one or the other, or both after reflashing?
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From: wilson,ny
no- you will have both. the automatic high idle comes on when the temp hits a certain temp and the engine is cold. the high idle feature enabled at the dealer allows you to set it through your cruise control buttons whenever you want. also- you don't get the high idle feature enabled (perse) by having the tsb done (i learned that my first time) you have to request it when you have the tsb done. the tech has to hit a few additonal buttons on his scan tool.
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From: wilson,ny
hey- alittle insurance for you. many of us have had a hard time with the dealers not knowing their head from their butt on this issue. you may want to go over to genosgarage.com and access his page on tsb's and print out the high idle procedure and bring it with you. that is what i needed to do! might save you a headache!!
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Originally Posted by rjm022
hey- alittle insurance for you. many of us have had a hard time with the dealers not knowing their head from their butt on this issue. you may want to go over to genosgarage.com and access his page on tsb's and print out the high idle procedure and bring it with you. that is what i needed to do! might save you a headache!!
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From: Mostly near Tampa Fl
Also use the TSB for "How to enable" only. Your truck dosen't require a flash and that is where I had problems with the dealer. He correctly told me that my truck couldn't be re-flashed for this, it was too new. BUT it only needed to have it enabled as it's already in your ECM. Geno's has the instructions for doing it. If your service manager dosen't want to do it or tells you it can't be done see if you can ask the mechanic. Give him the detail on how to do it (it only takes 1-2 minutes including plugging in the scan tool) and he might love you for it if he dosen't know about it. I tipped the mechanic a few bucks for doing mine after the service manager said it couldn't be done.
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man just had this done
truck warms up much faster now.
The reason I am posting is to make sure you get the service manager to understand, at least for a newer truck, you are not requesting a flash because you don't need it.
The service manager never listened to me and insisted they were going to need a long time with the truck. So made an appointment. 30 min into them having the truck hooked to the scan tool, I asked the service writer well what is the word (he and the tech were staring at the computer screen for 10 mins scratching their butts).
He precedes to tell me he can't figure out how to do it. Something about your truck doesn't have part numbers listed for this upgrade. I ask him is he would like to see what I have got (geno's garage print-out) now he got really defensive "I have never heard of ... if it isn't DC blah blah. I politely said well it may help but we will never know unless you look at it, so I get it and he looks at it from ten feet and says, "oh that is what i got that won't help" and walks off. I turn to the tech and he starts explaining why he can't do it. I asked him if by upgrade he meant "flash". He said yes. So I then showed him how my truck won't show a need for the upgrade/flash because it already has it while pointing to geno's print out. He rolls his eyes and picks up the tool and has it done in 1 min.
So again i restate what others have said in previous post don't let them fart around for 2 hours for 1 min of work. Wow, I was ****** at the service writer for being so defensive.
The reason I am posting is to make sure you get the service manager to understand, at least for a newer truck, you are not requesting a flash because you don't need it.
The service manager never listened to me and insisted they were going to need a long time with the truck. So made an appointment. 30 min into them having the truck hooked to the scan tool, I asked the service writer well what is the word (he and the tech were staring at the computer screen for 10 mins scratching their butts).
He precedes to tell me he can't figure out how to do it. Something about your truck doesn't have part numbers listed for this upgrade. I ask him is he would like to see what I have got (geno's garage print-out) now he got really defensive "I have never heard of ... if it isn't DC blah blah. I politely said well it may help but we will never know unless you look at it, so I get it and he looks at it from ten feet and says, "oh that is what i got that won't help" and walks off. I turn to the tech and he starts explaining why he can't do it. I asked him if by upgrade he meant "flash". He said yes. So I then showed him how my truck won't show a need for the upgrade/flash because it already has it while pointing to geno's print out. He rolls his eyes and picks up the tool and has it done in 1 min.
So again i restate what others have said in previous post don't let them fart around for 2 hours for 1 min of work. Wow, I was ****** at the service writer for being so defensive.
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