Diesel Place : Chevrolet and GMC Diesel Truck Forums - View Single Post - Question: LMM:Disable "Service Trailer Brake System" message
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Old 09-03-2018, 03:24 PM   #13 (permalink)
jramstead19
Sparkplug Hunter
 
Join Date: Aug 2018
Posts: 1

I had the same problem and put in the p3 teshonka. Any luck getting rid of the warning.
Thanks John
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