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Yukon SLT, RWD
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DTC U0074: Control Module Communication Bus B
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Action Taken When the DTCs Sets
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Action Taken When the DTCs Sets
The module suspends all message transmission.
The MIL and battery indicators will illuminate, along with several DIC messages.
The vehicle may continue to run for several minutes, then will stall and not start.