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EnzoColorado's avatar
EnzoColorado
Explorer II
Oct 30, 2023

"Service Trailer Brake System" message on Suburban

In August during a camping trip, the message "Service Trailer Brake System" came on the dashboard when the trailer was not connected to the Suburban. I checked all the fuses and they were good. I ho...
Tow Vehicles
EnzoColorado's avatar
EnzoColorado
Explorer II
Oct 31, 2023
ktmrfs wrote:
if it is like the silverado, highly likely the problem is the manual trailer brake control lever on the dash. easy peasy to replace and often fixes the problem.


I have replaced the dash's trailer brake controller. Super easy to do. However didn't fix the problem.

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