The issue ended up being a bad Fuel Control Module. The module was replaced, programmed an no more service trailer brake system alert.
Appreciate everones help.
I found the trailer brake control module under the spare tire.
The next issue is removing the spare tire. It had never been removed and is frozen in place.
I guess the next step will be to remove the spare tire before testing the module.
Its always something.
This old man could use some help diagnosing this 2012 chevy suburban callaway service trailer brake system/fuel pump control module with trailer brake issue. apologies if I posted this in the wrong area.
Originally the dash displayed service trailer brake system. I replaced the trailer brake...
I recently purchased a 2012 Suburban Callaway which has the Eaton TVS super charger producing 450hp. I am getting 18mpg on the highway and 13 mpg ariund town. 91-93 octane is recommended.
Other than the super charger the the LTX is pretty standard. Instead of the suburban badging it has callaway logos and CS450 in the interior. I am pretty amazed with the CS that I am getting 20MPG on the highway.
Hi Folks,
Looking forward to learning from the group.
Recently bought a new to me 2012 Suburban LTZ Callaway CS450 450HP with 94k miles. I plan on using it mostly as a second vehicle for towing my boat and camping. The 22 inch wheels have some corrosion. I have been trying to decide to replace...
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