Toyota Tundra Service Manual > Automatic Transmission System: 1-2 Shift (1-2 Shift Valve) (P0781)
DESCRIPTION The 1-2 shift valve performs shifting to 1st gear and other gears. When shifting to 2nd and 4th gears is impossible, or when the ECM directs the transmission to switch to 5th or 6th gear and the engine overruns (clutch slips), this DTC is stored. DTC Code DTC Detection Condition Trouble ...
