So I know this is completely wrong year car and way different situation. Ive got an 02 wrx. I did a complete swap over to auto. . So things that were changed is this: transmission, driveshaft, rear dif, pedal assembly, shifter assembly, under dash harness (Have to, 5spd harness doesnt have the plugs for the auto), instrument cluster, ecu. I am sure there is some stuff missing but simply put you would never know the car wasnt an auto from the factory. My problem is the same flashing A/T fluid temp hot. Fluids are at the right levels. Car seems to drive fine. Just dont know what the problem is. Oh, my brake lights work like a charm.