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jabres's avatar
jabres
Explorer III
Jan 15, 2019

"Service trailer brake system" on 2016 GMC

Have a 2016 GMC 3500, 6.0 gas job with 57K miles. Constantly now my computer screen beeps "Service Trailer Brake System", even when no trailer is hooked to truck.. took to my local trailer guy, he ...
Tow Vehicles
LIKE2BUILD's avatar
LIKE2BUILD
Explorer
Jan 15, 2019
Are you not under warranty? If you are I'd take it to the dealer and let them sort out the issue.

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