Service 4wd message?

[powerhaulic]

2017 here service 4wd allmost every key start or soon thereafter.

 

dismiss message, everything works just fine.

 

I'll wait to drive an hour to dealer until something is really wrong.

[T_ClarkEx39]

On 12/6/2016 at 10:04 AM, powerhaulic said:

2017 here service 4wd allmost every key start or soon thereafter.

 

dismiss message, everything works just fine.

 

I'll wait to drive an hour to dealer until something is really wrong.

have you ever figured this out on yours?  

[powerhaulic]

9 hours ago, T_ClarkEx39 said:

have you ever figured this out on yours?  

Yes it was a pushed out connector on the harness.

[T_ClarkEx39]

19 minutes ago, powerhaulic said:

Yes it was a pushed out connector on the harness.

Ugghh, figures. They've already replaced the harness on mine and its still doing it. 

 

I will say, mine doesn't happen every keystroke, it waits about every 2 to 3 weeks before it decides to come on once I dismiss it

 

Thanks 

Edited July 12, 2018 by T_ClarkEx39

[powerhaulic]

6 minutes ago, T_ClarkEx39 said:

Ugghh, figures. They've already replaced the harness on mine and its still doing it. 

 

I will say, mine doesn't happen every keystroke, it waits about every 2 to 3 weeks before it decides to come on once I dismiss it

 

Thanks 

also had problems with the 110v  port in console, also a pin problem in the same harness connector.

[T_ClarkEx39]

26 minutes ago, powerhaulic said:

also had problems with the 110v  port in console, also a pin problem in the same harness connector.

I will have to check that out. I never use that 110 volt port so it may or may not be working I wouldn't know

Edited July 12, 2018 by T_ClarkEx39

[TRN]

Got this message a few times this morning on my 2016 with 25k miles.

Didn’t seem to have any issues attempting to change between 2 and 4WD....

[danieldanieldaniel]

2015 2500hd.  mine does same dam thing just been hitting the dismiss. 4x4 still works fine.  

[Michael Skurka]

I have a 2015 GMC Sierra 4wd with 244,000 miles. Over the years I’ve had the service 4wd message. I’d dismiss it and all is fine. Last night it came back I dismissed it and tried selecting 2wd or 4wd and it won’t do anything. I suspect a low battery because everything was acting different with the transmission. Wouldn’t go in gear forward or reverse, after several attempts it went in drive. After charging overnight everything seemed fine except transfer case wouldn’t move out of Auto position. Anyone else notice these batteries only last about 3 years?

[MikeBMW]

Before I replaced my battery, when it would run out of "juice" and I did a scan, all kinds of errors ere present.
The MyChevy app would tell me every system needed attention.
I found I had a battery drain with my Dash Cam, once I got it sorted, no issues, the old battery might have been good all along.
Most batteries should easily last 5 years or better if you don't have a parasitic power drain somewhere.

[Septer Sever]

Does anyone know where the X-1 connector for the TCCM is?

[Septer Sever]

On 7/12/2018 at 7:15 AM, powerhaulic said:

Yes it was a pushed out connector on the harness.

Any idea where the X-1 TCCM connector is located. I can read the Service Bulletin, but there's no pics.