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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission (Ab60E) - Diagnostic Codes (2 Of 2) & Circuit Tests) >> Automatic Transmission System >> DTC P0894: Transmission Component Slipping; DTC P2714: Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT) [08/2015 - 08/2017] >> Description

DTC P0894: Transmission Component Slipping; DTC P2714: Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT) [08/2015 - 08/2017]: Description

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Shift solenoid valve SLT controls the transmission line pressure for smooth transmission operation based on signals from the throttle position sensor and vehicle speed sensor. The ECM adjusts the current to shift solenoid valve SLT to control the hydraulic line pressure coming from the primary regulator valve. Appropriate line pressure assures smooth shifting with varying engine outputs.

DTC Code DTC Detection Condition Trouble Area
P0894 The ECM detects a malfunction on SLT, S1, S2, S3, S4, SL2, gear 6 incorrect ratio (sequence valve) or 1-2 shift solenoid valve according to the revolution difference of the turbine and the output shaft, and also by the oil pressure. (2-trip detection logic)
  • Shift solenoid valve SLT remains open or closed
  • Shift solenoid valve S1, S2, S3, S4 or SL2 remains open or closed
  • Gear 6 incorrect ratio (sequence valve) or 1-2 shift valve is stuck
  • Valve body is blocked
  • Automatic transmission (clutch, brake, gear, etc.)
P2714 The ECM detects a malfunction on SLT (ON side) according to the revolution difference of the turbine and the output shaft, and also by the oil pressure (2 trip detection logic)
  • Shift solenoid valve SLT remains open or closed
  • Shift solenoid valve S1, S2, S3, S4 or SL2 remains open or closed
  • Gear 6 incorrect ratio (sequence valve) or 1-2 shift valve is stuck
  • Valve body is blocked
  • Automatic transmission (clutch, brake, gear, etc.)