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You may have tripped one of the internal circuit breakers in the Totally Integrated Power Module, or TIPM under the hood. It may require a scan tool to reset it. [/quote

both reverse light bulbs were blown and had to have TIPM reset. it had a code for voltage loss to the turbo also. both of them had the same time stamp on them. all of that just for plugging the boat trailer in with the truck running. thanks wes