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Problems with 2017 GMC Yukon XL VEHICLE SPEED CONTROL

On average, the 2017 GMC Yukon XL starts to “feel” problems with the VEHICLE SPEED CONTROL and its various aspects after 54 712 miles.

Recently reported VEHICLE SPEED CONTROL problems on 2017 GMC Yukon XL

Transmission went out at 88k miles. my sister in law also has a 2017 bought from another state and it went out at 79k miles a week after mine. passenger side tail light works if you push on it then randomly goes out (wiring/electrical issue). of course the drivers side tail light is the only one on recall. cruise control set itself at over 100mph and rapidly accelerated until i hit the brakes. i received a recall for the breaking system specifically for my vin number that needs to be fixed now that my transmission is complete.

While driving at various speeds, the vehicle dash displayed numerous and random error messages: (wording may not be exact) service front collision system. front radar blocked. front collision system unavailable. these messages indicated a problem with the forward collision avoidance system. the weather on the particular day varied. errors occurred at various speeds. this hazard can cause serious harm if the sensors detect an imminent forward crash in error and apply the brakes in traffic. this dangerous situation is likely to result in serious personal injury or death. the root cause was determined to be related to an additional failure mode identified in the oily substance leaking from the control box mounted on the front windshield. this oily substance was identified by the vehicle owner and reported to the dealer.

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