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DTC P0781 1-2 Shift (1-2 Shift Valve): Description

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

The 1-2 shift valve performs shifting to 1st gear and other gears.

Fig 1: Identifying 1-2 Shift Valve
G04963205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. DTC Detection Condition Trouble Area
P0781  Gear required by the ECM does not match the actual gear when driving. (2 trip detection logic)
  • Valve body is blocked up or stuck (1-2 shift valve)
  • Shift solenoid valve SLT remains open or closed
  • Automatic transmission (clutch, brake or gear, etc.)