The infamous internal workings of the dealership are far too complex then what can be written about here. It is a crap shoot; you either get an individual that is willing to examine your problem or you get one of the many individuals that simply write "Vehicle operating to factory specifications at this time!” and moves on to the next service. The technicians do not get paid to investigate and or research intermittent problems therefore they can simply move on to repairs that put money in their pockets. There is little, if any, incentive for them to go the extra step for you, the vehicle owner.
The proof is with the experiences that the vehicle owners have to contend with,
oh so