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  1. Which segment controls alternator charging? LML Dmax

    I’m battling an ambulance today that won’t crank with the stock OS due to a vats issue but will run just fine with the generic 4094OS
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    4L80E Harsh Engagement - TCC Drag

    Having a nightmare here, 4L80E, 3200RP stall, harsh engagement and break tires loose at 1400RPM so it
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    2016 LML haze at idle...

    Have a customer, deleted with a reputable tuners file, the truck constantly hazes at idle. EGR is blocked, DPF/DEF removed, 9th Injector unplugged. Did some searching seems to be fairly common with...
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    24239353 OS from a Pickup Needed

    Please & thank you
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    2016 LML DPF Lamp on issue

    never had this until the last update, made all the usual adjustments but can't get the DPF lamp off on the dash for some reason?

    tried turning off in the CAN transmit even. Same thing. Runs &...
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    Sticky: I understand that part but shouldn't I be able to...

    I understand that part but shouldn't I be able to full flash it right over top?
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    Sticky: DIfferent T43 question, can't change OS?

    Can't full flash? Error $0540
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    24249042 - T43 Acadia File Needed

    Please help if someone has this tune file.
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    LML TCM Stock OS

    Can someone email me a stock TCM OS?
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    Is emissions delete not supported for...

    Is emissions delete not supported for international customers?
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    I just want to revisit this thread to make...

    I just want to revisit this thread to make certain of something....

    It would seem to me, that unless a truck is in regen or EGR mode, it stays in mode 0 - ie - if the truck is deleted, this is the...
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    Gotch. I just see what has happened with...

    Gotch. I just see what has happened with Smarty/RaceMe and H&S and see this as the next big lucrative market...
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    2010+ development still on the table?

    Just curious...
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    why can't I get my speedometer accurate?

    I've been battling this thing for weeks.

    Adjusting revs per mile in the TCM, pulses in the ECM.

    No matter what I'm out 15% to the low.

    It's a 3.73 gear truck with 325/60R20 Nitto Terra...
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    2,353

    Need stock tune - OS # 11620604

    Can anyone please help? If so, email to info@ptcinc.ca
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    Will advise

    Will advise
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    Ok, so I'll try that MAF patch first, then a new...

    Ok, so I'll try that MAF patch first, then a new MAF, if neither work then I'll do the vac mod. No biggie.
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    Hmmm, so then could I intentionally make it...

    Hmmm, so then could I intentionally make it reference the VE table instead of the MAF by disabling the DTCs?
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    I *could* and *would* go SD, but then I'm...

    I *could* and *would* go SD, but then I'm waaaaaaaaaaay out of my realm as a novice tuner. Dmax, I can handle, LS I have no experience or knowledge. No clue how to tune these things, my...
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    If I unplug the MAF, then PCS amperage should...

    If I unplug the MAF, then PCS amperage should drop to max?
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    I do not have a known good one. That was my...

    I do not have a known good one.

    That was my concern with the vacuum proposition, since the cam is relatively large, it will always have low vacuum and likely shift very hard, ie - not very...
  22. OK, so basically, my options are either dial in...

    OK, so basically, my options are either dial in that MAF properly (if it is found to not be defective) and/or install a mechanical vacuum modulator in the trans and disable the PCS codes... both are...
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    OK shall do. As I posted in my other thread,...

    OK shall do.

    As I posted in my other thread, is there a way to map PCS amperage drop to the TPS instead of to the MAF/VE?
  24. 6.0 LS2 / T42 GTO - make trans line pressure TPS dependant?

    Anyone know how this is done? ie - make the EPC solenoid react to TPS/APPS position rather than MAF/VE?
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    2005 gto 6.0 / 4l60e

    Looking for some help here... I'm a transmission guy & had this car droppped on my lap. It has had repeat 3-4 clutch pack failure. After doing some road testing and data logging, I can see that the...
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