DTC P2759: Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU): Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

The TCM controls the lock-up solenoid using a predetermined duty ratio*, and performs lock-up and flex lock-up control

HINT

*The duty ratio is the ratio of the current ON time (A) to the total of the current ON and OFF time (A + B) Duty Ratio (%) = A / (A + B) x 100

Fig 1: Hydraulic Pressure Graph

DTC DETECTION CONDITION AND TROUBLE AREA

DTC Code	DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other	Trouble Area
P2759	Engine is running Solenoid valve SLU circuit is open or shorted 1 second 1 trip detection logic	Shift solenoid valve SLU Transmission wire Harness and connector TCM