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  1. P

    Service trailer brake?

    I have efilive but not showing any codes I'll take it into autozone and see if they pull any code or maybe see if i can talk dealer into seeing if there are codes for me al tho probably charge me no matter what anyways
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    Service trailer brake?

    Yes cruise works fine. I read it was probablycthe relay under the rear. Guess three are only three components in the system. I ordered a relay it's only $35
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    Service trailer brake?

    Hooked up my rv today and no brakes. I am going to look for the obvious things but dealer wants $95 to diagnose. You think the integrated controllers are good enough to warrant the money to have it fixed? Or go with a P3 and forget the integrated one? Trying to find prices on a brake max but...
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    Error $0351

    Trying to flash my tunes from ridgerunner and now getting errors. They sent me a BBX file which had stock ctz file and 5 coz files. I saved them to my SD card and full flashed the stock ctz file no problem but now i go to cal flash to use to coz files and my BBF gives me controller mismatch...
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    Any diy mods for cooled seats?

    Anybody have any diy mods to make the ventilated seats stronger? I would like more airflow but keep the ability to change fan speeds
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    Service trailer brake?

    Not really a tunning question but anyways I got a service trailer brake error once but since I towed my rv yesterday now I get it everytime I start the truck, Trailer brakes worked good yesterday too
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    Can I check air con?

    I will check compressor cause it does change temp dramatically just by going from exterior to interior. Not really a big deal just trying to understand it and make sure nothing is wrong
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    Can I check air con?

    2011 Denali. And its warm outside. So air is in even tho it's "not on"?
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    Can I check air con?

    Can I check air conditioner on with efilive? With my heater controller set on external you can tell it pulls air from outside with no air con but when you switch to recirculate even with air con button off it sure feels like sir air con is on.
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    Interior lights?

    Duh that's right
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    Anybody with finicky cruise?

    2011 LML Gmc, when i have the cruise set and speed up a littlle with the pedal and then push set again it is very finicky but when I set cruise when its off it works perfect. Seems like have to hold the button down its not instant like my lmm was.
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    Interior lights?

    Ok stupid question but my 2011 sierra LML PM when i open the door the interior lights don't come on. I looked on the dic but didn't see a setting, how do I Make them confer info?
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    RPM high in neutral

    I forgot diesels are different, a gas motor would probably benefit but like you said a diesel doesn't use fuel without a load so really putting it in neutral would use fuel in theory and waste it
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    RPM high in neutral

    Ok cool thanks
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    RPM high in neutral

    Doesn't it save fuel? If I have a downhill for miles why wouldn't I? I have read to do this but guess not supposed too huh? Anyways first time I have tried it, but shouldn't it go to idle speed?
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    Is this the regen?

    2011 LML and I have been doing a lot of highway driving (just bought). Have been happy at around 65-75 I calculated and it's close to DIC to be like 18mpg. Not bad at that speed with worn out Duratrac tires. My real question is I had it do it twice. The last time was yesterday I filled up...
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    Efilive error

    I posted on efilive forums but no response so I'll ask here. I got an lml and updated my efilive but now I am getting the $0185 error. Can somebody walk me through how to fix it? I did the config all files and now when I try to BBL is says something like config files required
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    RPM high in neutral

    Not sure where to post this but here it goes. Hope I don't sound like an idiot lol but I just bought an lml and was cruising down a big hill in Idaho so I put it in neutral but the rpm was still 2000 like there is a drag, isn't it supposed to go down to idle speed?
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    gps not talking

    figured it out lol
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    gps not talking

    maybe dumb question but i just bought a 2011 gmc denail duramax and the nav doesnt talk, is it supposed too)?