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Ryno12

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    31
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About Ryno12

  • Rank
    Enthusiast

Profile Information

  • Location
    Midwest
  • Drives
    2014 GMC Sierra Denali
  1. Lost MPG after tuning

    I left everything else the same except I changed the shift to “firm”. I did this last fall/early winter so the temps were lower & there has been more idle time, so mpg will be naturally worse. My truck is a 6.2 Denali & I think the mileage computer is averaging 15.7ish over the last several hundred miles. If I baby it or drive conservatively, I can get in the high teens or low 20’s.
  2. Lost MPG after tuning

    I’ve got the same tuner & I haven’t noticed an increase in mileage, but I didn’t install the gas mileage tune. Mine has the stock 87 octane tune. Admittedly, I can be a bit heavy on the foot so I’m not expecting any increase anyway.
  3. Lost MPG after tuning

    Are you being heavier on the pedal after the tune?
  4. 110V Power outlet

    I tried a small 1.5 gal shop vac & it did not work.
  5. I have a 2014 Sierra with 27k miles & mine started to do that occasionally. With it being winter, I just went ahead & replaced it before it had a chance to leave me stranded.
  6. That’s odd. I’ve had two different dealerships print mine off for me without me even asking for it.
  7. Dead heated seats

    He removed the covers but not the seats. He was able to raise the seat high enough to reach underneath & detach all the clips from the covers & peel the covers back far enough to remove the elements. He was also to remove the fan assembly from under the seat but I guess there was some wiring harness for the drivers alert seat vibrators that had to be disconnected first.
  8. Dead heated seats

    Picked my truck up today from getting both heated seats repaired. Driver’s side was a bad element & blower. Passenger side just had a bad element. The tech said he was able to make the repairs without removing the seats. Price came to $810 but was covered by extended warranty. Unfortunately, the heaters still suck. I can feel the heat but it takes a long time and they don’t get very hot. Far cry from my old 06 Silverado. Those worked great.
  9. Tow mirrors

    2014-2017: DL8, DL3, Towing Mirror Upgrade – Mirrors Explained https://r.tapatalk.com/shareLink?share_fid=33003&share_tid=198157&url=http://www.gm-trucks.com/forums/applications/tapatalk/index.php?/topic/198157-2014-2017%3A--DL8%2C-DL3%2C-Towing-Mirror-Upgrade-%E2%80%93-Mirrors-Explained&share_type=t http://www.gm-trucks.com/forums/topic/198157-2014-2017-dl8-dl3-towing-mirror-upgrade-%E2%80%93-mirrors-explained/
  10. Upgrade to LED bulbs

    Thanks. That’s interesting because I’ve ran two different brand LEDs in my 2014 Sierra & neither needed the anti-flicker module. One would think either all 2014s would need them or they wouldn’t. Same goes for the LEDs. I don’t get it...
  11. They are known for having crappy seat heaters; however, it’s not really nailed down to a single issue. For example, my 2014 is going in tomorrow because neither bottom seat heaters work but they don’t share the same problem. There wouldn’t be a recall as it’s not a safety concern. I believe there is a TSB on it though.
  12. There’s a few companies online that offer that upgrade. Do a search for IO6 upgrade. There’s also tutorials showing how to do it yourself. It’s not as difficult as it may appear. Get out your wallet, it’s not a cheap upgrade. https://www.gm-navigation.com/shop/2014-2015-io3-to-io5-6-basework-truck-8-upgrade-gmc/
  13. Well, most anything can be fixed, just depends on your individual skill level. You’ll have to troubleshoot the problem of why they don’t work & then make the necessary repairs. More than likely, the seat will have to be removed and at least partially disassembled. If you’re comfortable with all that, then you can maybe do it yourself, otherwise you’ll have to take it to the dealer.
  14. xm Weather

    XM Weather is apart of SiriusXM, not OnStar.
  15. Dead heated seats

    I’ve got a 2014 Sierra Denali with 27k miles that was in the shop this week for both heated seats not working. They ordered the parts & I’m going back in next week to get them fixed. The backs heat fine but the bottoms don’t. I was told the element is bad on one seat & the blower is bad on the other. Thankfully I purchased an extended warranty that’s covering it 100%.
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