Toyota Tundra Service Manual > Automatic Transmission System: Gear 6 Incorrect Ratio (P0729)
DESCRIPTION The ECM uses signals from the output speed sensor SP2 and input speed sensor NT to detect the actual gear position (1st, 2nd, 3rd, 4th, 5th or 6th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of the shift solenoid va ...
