Jump to content

Gear selecting when driving

cmysstailights

By cmysstailights
in Troubleshooting & Recalls

 Share

Recommended Posts

cmysstailights Enthusiast

cmysstailights

Posted
Posted

Was going upstate to get travel trailer. Tried tongoninto manual mode and select gears. Truck would do it on its own. Would not into the gear i wanted or stay in the gear i wanted. All temps were good. Any one else run into this?

 

Sent from my SM-G960U using Tapatalk

 

 

newdude Senior Enthusiast

newdude

Posted
Posted (edited)

What did the PRNDL display?  Did it show "M or L" and then a gear # when you went to manual mode?  Also, 1500 or HD?  Says you drive a 2014 high country.  

Edited by newdude
Donstar Senior Enthusiast

Donstar

Posted
Posted

FWIW. -   In manual mode the truck will not go into a higher gear than the one you've selected but will continue to automatically shift between the lower gears.  I think the term "manual" is misleading.

  • Like 1
flyingfool Senior Enthusiast

flyingfool

Posted
Posted

he wants manual shifting not manual gear select. your just selecting the final gear it can go into.

 

you have to  start in 1st gear manual mode, then you bump the shift button to the next gear.

cmysstailights Enthusiast

cmysstailights

Posted
  • Author
Posted
What did the PRNDL display?  Did it show "M or L" and then a gear # when you went to manual mode?  Also, 1500 or HD?  Says you drive a 2014 high country.  
Changed trucks its a 15 6.0 hd. Put it in manual. 1 click down from drive

Sent from my SM-G960U using Tapatalk

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
30 minutes ago, cmysstailights said:

Ill try starting in manual. I was driving on the highway and switched to manual while in motion.

Sent from my SM-G960U using Tapatalk
 

That should work the same as if you started off in the M1 mode from a stop.

newdude Senior Enthusiast

newdude

Posted
Posted (edited)
1 hour ago, cmysstailights said:

Changed trucks its a 15 6.0 hd. Put it in manual. 1 click down from drive

Sent from my SM-G960U using Tapatalk
 

 

1 hour ago, cmysstailights said:

Ill try starting in manual. I was driving on the highway and switched to manual while in motion.

Sent from my SM-G960U using Tapatalk
 

 

Yea try that.  Manual mode in the trucks pretty much just acts as a gear limiter.  Even with the 8 and 10 speed trucks.  You have control over the downshifts (unless it won't let it do one) but upshifts you don't have much control.  

 

So for example, if the shift indicator is reading M5, the truck will shift itself 1 through 5 and not go past 5.  In M3, it will shift normal 1 through to 3rd but not go past 3rd until you hit the + on the shifter.  By starting in M1 and then increasing the gear numbers, you can then dial in the appropriate lock point for pulling your trailer up a hill, etc.  If however, you are hitting the +- button, and the gear # doesn't change, then you might have a bad wire in the shift lever.  

 

The sports cars (Camaro, Corvette, etc.) give you 95% direct control of up and downshifts, just about any % of throttle input, unless the computers say no.  

Edited by newdude
Donstar Senior Enthusiast

Donstar

Posted
Posted
8 hours ago, cmysstailights said:

 

Was going upstate to get travel trailer. Tried tongoninto manual mode and select gears. 

Your truck will do a fine job in "D" when pulling a trailer.  If you have tow/haul mode it will reduce the amount of gear hunting.  I like to play with the "M" mode but I know the truck will do fine without my help!  I would be out of character if I didn't take this opportunity to whine about the loss of manual transmissions in pickups!  

cmysstailights Enthusiast

cmysstailights

Posted
  • Author
Posted

I like holding a gear a little longer, never worry about letting her scream. But on flat ground no trailer couldnt tell if she was in 6th. Tach was around 2300 rpms

Sent from my SM-G960U using Tapatalk

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing

  • Recently Browsing   0 members

    • No registered users viewing this page.

  • Forum Statistics

    250.6k
    Total Topics
    2.7m
    Total Posts

  • Member Statistics

    343,007
    Total Members
    8,960
    Most Online
    Brendan C
    Newest Member
    Brendan C
    Joined

  • Who's Online   3 Members, 0 Anonymous, 950 Guests (See full list)

  • Latest Articles

  • Posts

    • Grumpy Bear
      The Peckish Synapse

      By Grumpy Bear · Posted

      You can always count on greed to prey on ignorance and stupidity.    Friend bought a 2019 Ford Flex and asked me about using Valvoline R&P 5W30 in it. Told him give the miles on it and the fact it wasn't yet using oil that it was a good plan. He uses a Valvoline quick change shop for his oil service.   First they tell him that isn't the oil the OEM recommends. He told them he didn't care what the OEM thought. Then they floated the, "But it will void your warranty"    His reply was it's a 2019, there is no warranty and informed them their knowledge of the law was lacking.    Then they tell him 'But it will ruin your motor"!.    Mine to ruin he says. Finally they give in and charge him 150% the semi-syn price    Point it the brainwash is so embedded that even the service industry is drunk on their swill. The public is right behind them. Echoing the same lies on every forum and media platform. If the end goal is indeed EV then I'd say that ship is about built. 
    • CamGTP
      Gas Prices

      By CamGTP · Posted

      Diesel hit $6.00 here today at the truck stop.   Payed $2.79 for E85 today too.
    • richard wysong
      Electrical Problem - solved

      By richard wysong · Posted

      Thanks for posting, I'm sure it will help someone
    • Brendan C
      2026 6.6 L5P oil cooler leaking oil at 4,000 miles

      By Brendan C · Posted

      New to diesel trucks. I happened to find my oil cooler leaking oil externally with only 4,000 miles on the truck. I didn’t realize this was an issue until I started researching it. Dealer is going to replace it under warranty but I’m wondering if there’s anything GM is working on to fix this issue. I’ve heard the oil filter used is the same as they use on their V6 motors and that’s what is causing the problems. Should I switch to a bigger filter or keep using the OEM recommended? 
    • Vu1can
      Seems to be Missing a lot of Updates

      By Vu1can · Posted

      So, GMCustomerService:  Judging by the Update History pictured above, is this truck missing any updates that it actually needs. If it's just for the infotainment system, the radio is working fine and no trouble with SeriusXM. and Android Auto is working fine wirelessly with my phone. Some months ago, an update notice was sent to my truck. I approved the update and it finished saying that the update was successful, but it seems that whatever that update was, it didn't actually get installed - at least not if I'm to go by the Update History shown above.   So, again, are there any updates that this truck really should have? I've checked with my dealer but they're reluctant or commit to anything and if I want them to check, they require a $200.00 fee just to check it out and then I'd have to pay for the actual update(s).    Ignorance is bliss, and if none of the updates goes to fixing any mechanical discrepancies, I'll just leave things as is.  

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...