DTC P0741 Torque Converter Clutch Circuit Performance Or Stuck Off

WARNING: This page is about a different variant/trim than selected.

DTC DETECTING CONDITION:

Defective lock up clutch or torque converter assembly
Defective control valve
Defective turbine speed sensor 1 or 2

TROUBLE SYMPTOM:

No lock up occurs. (After engine is warmed-up)

PERFORMANCE CHART

Step	Check	Yes	No
1 CHECK DTC OF TCM.	Is any DTC of the followings detected? P0715, P0725, P0753, P0758, P0763, P0768, P0773, P0751, P0756, P0761, P0766, P0771, P1710, P1718, P1798, P1799	Perform the diagnosis according to each DTC.	Go to step 2.
2 DRIVING CHECK FOR LOCK UP CONDITION. Perform a drive check based on the Inspection Mode with the following conditions. < Ref. to PROCEDURE , Inspection Mode. > Read the current data of throttle opening angle using Subaru Select Monitor. < Ref. to READ CURRENT DATA , OPERATION, Subaru Select Monitor. > Keep the same vehicle speed at 60 km/h with 10% or less throttle opening angle which is read currently on Subaru Select Monitor. < Ref. to READ CURRENT DATA , OPERATION, Subaru Select Monitor. > Read the current data of L/U solenoid target pressure using Subaru Select Monitor. < Ref. to READ CURRENT DATA , OPERATION, Subaru Select Monitor. > Check the engine speed and turbine speed when the L/U solenoid target value displayed on Subaru Select Monitor is 500 kPa or more.	Are the engine speed and turbine speed almost the same?	Temporary poor contact or open circuit occurs. Recheck that the harness connector has no faulty.	Go to step 3.
3 DRIVING CHECK FOR LOCK UP CONDITION. Clear the memory. < Ref. to OPERATION , Subaru Select Monitor. > Perform a drive check based on the Inspection Mode with the following conditions. < Ref. to PROCEDURE , Inspection Mode. > Read the current data of throttle opening angle using Subaru Select Monitor. < Ref. to READ CURRENT DATA , OPERATION, Subaru Select Monitor. > Keep the same vehicle speed at 60 km/h with 10% or less throttle opening angle which is read currently on Subaru Select Monitor. < Ref. to READ CURRENT DATA , OPERATION, Subaru Select Monitor. > Read the current data of L/U solenoid target pressure using Subaru Select Monitor. < Ref. to READ CURRENT DATA , OPERATION, Subaru Select Monitor. > Drive the vehicle continuously for one minutes or more with the L/U solenoid target value displayed on Subaru Select Monitor at 500 kPa or more. Turn the ignition switch to OFF. Turn the ignition switch to ON. (Engine ON) Perform the step 2) again.	Is DTC P0741 displayed with the SPORT indicator light blinking?	Replace the transmission assembly when DTC P0741 is displayed. When DTC other than P0741 is displayed, perform the diagnosis corresponding to the DTC.	Temporary poor contact or open circuit occurs. Recheck that the harness connector has no faulty.