2019 Silverado 1500 - Service 4WD / Service ESC / Traction Control Disabled

markyezy · February 27, 2023

The other day after parking the truck on a cold day - I left it in Auto 4WD - when I started it the next morning a few things came on the display, Service 4WD / Service ESC / Traction Control Disabled.

Also of note the icon showing if it is in 2WD 4HI 4LO is missing, just blank where it normally is.

I ran for codes twice and got a few different ones, the first run showed B3883 / U0102 / U0403

I cleared those codes, went for a drive and re ran it got the following, C11B3 / U0102 / U0403

I'm guessing from the above codes maybe I have a bad TCCM, is there a way to test the TCCM? Also if I buy a new TCCM and replace it myself, does it have to be programmed by a dealer after it is installed?

Thanks

Mark

Steve-2019 · February 27, 2023

Welcome to the forum. You could do some reading on the numerous posts on this subject, it may help you to determine what you to do and save yourself some money possibly.

Edited February 27, 2023 by Steve-2019

markyezy · February 27, 2023

Just now, Steve-2019 said:

If you were to read the already numerous posts on this subject, it may help you to determine what you to do and save yourself some money possibly.

I have been reading through the forum already and cant seem to find a answer, also I havent found anyone who has the same symptoms as me, especially missing the 4WD indicator on the dash ...

Steve-2019 · February 27, 2023

2 minutes ago, markyezy said:

I have been reading through the forum already and cant seem to find a answer, also I havent found anyone who has the same symptoms as me, especially missing the 4WD indicator on the dash ...

Yea, the search function here is not the greatest. First thing I would do is clear the codes, then pull your negative battery lead from the battery and wait for at least an hour for for all residual power to go away. Then re-connect and see if it helps. I do recall other posts that are fairly similar to your situation.

markyezy · February 27, 2023

15 minutes ago, Steve-2019 said:

Yea, the search function here is not the greatest. First thing I would do is clear the codes, then pull your negative battery lead from the battery and wait for at least an hour for for all residual power to go away. Then re-connect and see if it helps. I do recall other posts that are fairly similar to your situation.

Thanks Ill give that a try tonight!

GMCustomerService · February 27, 2023

2 hours ago, markyezy said:

The other day after parking the truck on a cold day - I left it in Auto 4WD - when I started it the next morning a few things came on the display, Service 4WD / Service ESC / Traction Control Disabled.

Also of note the icon showing if it is in 2WD 4HI 4LO is missing, just blank where it normally is.

I ran for codes twice and got a few different ones, the first run showed B3883 / U0102 / U0403

I cleared those codes, went for a drive and re ran it got the following, C11B3 / U0102 / U0403

I'm guessing from the above codes maybe I have a bad TCCM, is there a way to test the TCCM? Also if I buy a new TCCM and replace it myself, does it have to be programmed by a dealer after it is installed?

Thanks

Mark

This is certainly not what we like to hear, markyezy. Please know, customer satisfaction is extremely important to us. Our team would be more than happy to take a closer look into the concerns with your truck. To do so, please send an email to [email protected] with ATTN: markyezy/GM Trucks in the subject line.

Please include your contact information, VIN, a brief description of your concern, and the name of your preferred dealership. We look forward to hearing from you. To learn more about GM’s Privacy Policy, please visit https://www.gm.com/privacy-statement.html. The information you provide may be monitored and recorded and is subject to the GM Privacy Statement.

Privacy Statement | General Motors
Your privacy is important to General Motors. This Privacy Statement addresses the personal information GM collects and how GM handles that personal information.
www.gm.com

Transient · February 27, 2023

GMCustomerService is more interested in getting you into a dealership so you can spend your hard earned money for service at an inflated cost than independent shops (I'm not a mechanic, nor advocating for one). It's stay with the pull your battery technique. 10-15 minutes arms to work for most electrical gremlins. I had a similar issue the other day where the DIC said 4wd system disabled. Drove to my kid's school, picked them, and returned home with no issues. The next time I started the truck up everything was fine. I didn't pull the negative terminal in this incident. GM vehicles seem to have mischievous electrical feelings that tend to fix themselves.