Jump to content

Replacing 2.0 HMI module with 2.5 HMI module to add CarPlay/Android Auto to 2014-2015 Silverado

Darmichar

By Darmichar
in Modifications & Accessories

 Share

Recommended Posts

th3magpi3 Enthusiast

th3magpi3

Posted
Posted
I don't know for sure, just going on what info I can find that seems to make sense. Are you sure the Wifi actually works in your 14 and not just shows the option on the screen? Maybe it was a late production model that go the 2015 module. 
 
Here's what I'm basing my thoughts on. 
 
This is a 2014 Onstar/Bluetooth module. 
image.png.7799745e48ae06f9efc16972f3ee1e28.png
 
and here is a 2015 Module 
image.png.8503e88216d448fd210a47b0c9f3459b.png
 
Ahh I see where the confusion is.

So, there's 2 different types of Wifi we're discussing.

The OnStar module has wifi because OnStar provides a service to allow your truck to be a mobile hotspot. You purchase data from them and can use it on the road.

It makes its own network.

The HMI contains a wifi receiver which allows you to connect to networks to download updates and such.

Does that make sense?

Sent from my Pixel XL using Tapatalk

  • Replies 1.3k
  • Created
  • Last Reply

Top Posters In This Topic

Popular Days

Top Posters In This Topic

Popular Days

Popular Posts

th3magpi3
th3magpi3

For anyone interested I believe I will have the ability to do programming very soon. I have made quite a bit of progress and hope to have the reprogramming method refined and ready within the next few

th3magpi3
th3magpi3

Making even more progress! HMI has been updated to the newest software, which means Wifi compatibility ! OTA updates are enabled, meaning you will receive all future software updates for the HMI over

th3magpi3
th3magpi3

For anyone following along I am once again waiting for parts. I was having issues with the radio module I had originally ordered. A new module is on order and should be installed and ready to go by th

Posted Images

truckmann Enthusiast

truckmann

Posted
Posted (edited)
7 hours ago, th3magpi3 said:

Ahh I see where the confusion is.

So, there's 2 different types of Wifi we're discussing.

The OnStar module has wifi because OnStar provides a service to allow your truck to be a mobile hotspot. You purchase data from them and can use it on the road.

It makes its own network.

The HMI contains a wifi receiver which allows you to connect to networks to download updates and such.

Does that make sense?

Sent from my Pixel XL using Tapatalk
 

Yep. Makes sense. I didn't know you could connect the HMI to wifi. I just figured it was getting all its data from the onstar module. Cool that it work like that. I don't care that much about having wifi from onstar since I can just use my phone as a hotspot. 

 

 

Edited by truckmann
th3magpi3 Enthusiast

th3magpi3

Posted
Posted
Yep. Makes sense. I didn't know you could connect to the HMI to wifi. I just figured it was getting all its data from the onstar module. Cool that it work like that. I don't care that much about having wifi from onstar since I can just use my phone as a hotspot. 
 
 
I think it's mainly used as a selling feature.

Sent from my Pixel XL using Tapatalk

th3magpi3 Enthusiast

th3magpi3

Posted
Posted
Yep. Makes sense. I didn't know you could connect to the HMI to wifi. I just figured it was getting all its data from the onstar module. Cool that it work like that. I don't care that much about having wifi from onstar since I can just use my phone as a hotspot. 
 
 
I think it's mainly used as a selling feature.

Sent from my Pixel XL using Tapatalk

aangrywombat New Member

aangrywombat

Posted
Posted

So I know this has been hit multiple times but I wanted to have someone confirm it for me. I have a 2015 z71 with navigation and Bose audio. It was bought in 2014. So based on what I have read I should need a new 2.5 HMI and a radio upgrade that are both programmed for my VIN and an upgrade to my USB connectors? I don’t care about the navigation so I plan on saving money there if I can. 

 

Also so thanks for all the hard work you have all been doing on his. It is impressive and makes me want to try and help in any way I can. 

dubwise Enthusiast

dubwise

Posted
Posted

Just got my 2.5 HMI and Radio back from Chis White Auto - installed everything along with the USB plug and now I'm getting this error. :rolleyes:

 

Anyone have any ideas? This is on a 2015 GMC Sierra SLT.

WhatsApp Image 2018-09-13 at 5.56.29 PM (1).jpeg

th3magpi3 Enthusiast

th3magpi3

Posted
Posted
Just now, dubwise said:

Just got my 2.5 HMI and Radio back from Chis White Auto - installed everything along with the USB plug and now I'm getting this error. :rolleyes:

 

Anyone have any ideas? This is on a 2015 GMC Sierra SLT.

WhatsApp Image 2018-09-13 at 5.56.29 PM (1).jpeg

Yep. Your date and time is different. Probably set to sometime in january and like 2013?

 

Set it to the proper date and time, toggle the key in the on and off position 5-7 times, start the vehicle, turn it off, restart your phone, turn the truck back on and connect them back up. 

 

If that doesnt work I usually just go for a drive without the phone plugged in and do another restart. 

  • Like 1
restorick2378 Enthusiast

restorick2378

Posted
Posted
8 minutes ago, th3magpi3 said:

Yep. Your date and time is different. Probably set to sometime in january and like 2013?

 

Set it to the proper date and time, toggle the key in the on and off position 5-7 times, start the vehicle, turn it off, restart your phone, turn the truck back on and connect them back up. 

 

If that doesnt work I usually just go for a drive without the phone plugged in and do another restart. 

This ^^^

 

My module acted the same way.  I fixed it by:

 

1.  Updating date/time on the radio

2.  Uninstalling AA on my Galaxy S8

3.  Reinstalling AA fresh on the S8

4.  Connecting in the truck

 

I've heard that cabling can also cause this, you may need to get a newer USB cable.

 

Good luck!

Rick

dubwise Enthusiast

dubwise

Posted
Posted

I managed to fix this after tinkering around with it for more than 5 mins. I verified date/time and everything was correct. I ended up factory resetting the radio under the settings and that did the trick! I thought for sure that would have been done when the unit was programmed, but apparently not.

 

Anyway I'm up and going now. Thanks for the suggestions guys.

 

Hope this helps someone in the future.

Ben Bassinger Enthusiast

Ben Bassinger

Posted
Posted

I just got my setup back from Chris at WAMS. He did an outstanding job and fast turn around. I purchased a used 2.5 HMI and 2016 radio module as well as the new USB port for the center console from eBay. Sent the radio and hmi to WAMS and he programmed them and sent them back. Took 20 minutes to swap everything out. Works great! He even put the latest software on it. Worth every penny! I had NAV so I got the hmi with NAV. System is so much faster and my CarPlay is back. I also get HD radio now since the 2016 radio modules have that.

truckmann Enthusiast

truckmann

Posted
Posted
18 minutes ago, Ben Bassinger said:

I just got my setup back from Chris at WAMS. He did an outstanding job and fast turn around. I purchased a used 2.5 HMI and 2016 radio module as well as the new USB port for the center console from eBay. Sent the radio and hmi to WAMS and he programmed them and sent them back. Took 20 minutes to swap everything out. Works great! He even put the latest software on it. Worth every penny! I had NAV so I got the hmi with NAV. System is so much faster and my CarPlay is back. I also get HD radio now since the 2016 radio modules have that.
 

Mind if I ask what he charges to do this? I have a 2.5 HMI (non nav) and the usb port now and looking for a deal on the radio module. Just wondering what programming is going to cost me. 

 

 

roadblock Enthusiast

roadblock

Posted
Posted

Just a thought, but since we are all going through the trouble of updating, would it be possible to update to a 2019 HMI? I think they have a few new features. 

Ben Bassinger Enthusiast

Ben Bassinger

Posted
Posted

I’ve had several people ask so here are the parts I got.

HMI: 84028492
Radio Module: 23402903
USB port: 13509942

There are many options that work, but this is what I have.

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

  • Latest Articles

  • Posts

    • newdude
      Bent valve in 2025 GMC Canyon Denali - Requires engine swap at 14K miles

      By newdude · Posted

      No ETA is available for that engine at the moment in the GM system.   I would start at the dealer.  Try and talk to the parts manager or service manager and see if they can start a CX Connect case and get an ETA from GM on when engines may be available.  If they just check Parts Workbench and say "no eta", they aren't trying hard enough.  They need to do a CX Connect and chat with DPAC to find the ETA.      
    • Chuck FB
      MPG at 600 miles

      By Chuck FB · Posted

      I would have to read back to get a better picture in my mind of some of the other comments and what they were using for a driving scenario they based the fuel mileage off of. That is why the fuel mileage conversation is extremely difficult to make fair comparisons from. If I was to be living in town and only driving around town, light to light and some longer stretches that doesn't have a light every block, and the usual stop at a grocery store and the bank and so on and so forth, my fuel mileage even during the summer time would be so bad with my truck I don't even want to know how bad it would be !. Then add in winter time and idling to warm it up to clear the windows and driving through snowy streets etc, large heavy trucks with gas engines have NEVER been worth crap for fuel mileage and why some little pot licker of a car with wheelbarrow tires and a 1300 cc four cylinder non turbo engine was the ticket to using a mere fraction of the fuel over a full size pickup.    By the way my truck has the 34" tires as its a HC but not the BFG KO3 tires ( that was an option for my truck but the sales guy couldn't figure out what the tires actually were so that never got on the order until it was too late to change the truck order ). So what fuel mileage your getting actually sounds good for "town driving" and with my truck when I go to town the fuel mileage keeps increasing as I get closer to town because it takes quite a while to get the driveline oils warmed up ( and why it always shows better fuel mileage on the return trip from town because its already warmed up ) but once I am in town that fuel mileage average just keeps dropping the more I mess around town and then has to recover back to something reasonable again by the time I get home for an over all average.    I'd be curious what your sticker says for the factory weight of your truck, mine is close around that 7700 lb due to the options it has. But anyway the long and short is, vehicle weight, higher rolling resistance heavy tires and a hefty driveline and a relatively large gas engine make for crap fuel mileage in stop and go scenarios, all one can do is drive it easy off the line at each stop and as my dad had said over the years, drive like a raw egg is under your foot and that's the best one can do. Years back with a carbed engine and if the carb was getting a bit out of tune etc as would the ignition system, the fuel mileage on pickups with larger engines was just awful compared to what your getting. We pay the fuel price penalty for driving HD trucks over some little vehicle, that is the reality. 
    • diyer2
      Navigating senior years.

      By diyer2 · Posted

      Speedy recovery.
    • KARNUT
      Slate Electric Truck

      By KARNUT · Posted

      We had two Toyota’s with that engine in the mid 80s. We had 50 gallon fuel tanks, a toolbox full of tools, an air compressor and assorted parts for our equipment. We beat those up and down pipeline ROWs until we started buying diesel trucks. Then they became parts runners and first vehicles for our teenagers first cars. Our shop Forman wrecked them both two years apart when we hired him out of high school as an apprentice. Good thing he’s an excellent mechanic. It took awhile before he could be called a good driver.
    • diyer2
      Gas Prices

      By diyer2 · Posted

      $4.26 85 oct 

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...