DTC P0730 Gearshift Control Performance Abnormal: Trouble Symptom

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

Acceleration is poor during standing start.
Shift control malfunction
Engine speed increases abruptly.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK TRANSMISSION FLUID. Check the condition of ATF. Refer to CONDITION CHECK .	Is the ATF OK?	Go to step 2 .	Check according to the "corrective action" of ATF (CVTF) "CONDITION CHECK". Refer to CONDITION CHECK .
2 CHECK TRANSMISSION FLUID. Check the amount of ATF. Refer to ADJUSTMENT .	Is the ATF amount correct?	Go to step 3 .	Adjust the amount of ATF. Refer to ADJUSTMENT .
3 CHECK INPUT SIGNAL FOR TCM. Lift up the vehicle. Start the engine. Warm up until the ATF temperature reaches to 40 - 70°C (104 - 158°F). Shift the select lever to "P" range. Stabilize the engine speed at idle. Read the data of «Actual secondary pressure» using Subaru Select Monitor.	Is the «Actual secondary pressure» 0.5 - 1.5 MPa?	Go to step 4 .	Perform the diagnosis according to DTC P0841 procedure.
4 CHECK INPUT SIGNAL FOR TCM. Set the select lever to "D" range. Release the brake pedal to stabilize the engine speed and front wheel speed. Read the data of «Actual Gear Ratio» using Subaru Select Monitor.	Is the «Actual Gear Ratio» 1.5 - 2.6?	Go to step 5 .	Go to step 6 .
5 CHECK INPUT SIGNAL FOR TCM. Set the select lever to "D" range. Slowly increase the speed to 40 km/h (24 MPH) and keep the constant speed. Read the data of «Actual Gear Ratio» using Subaru Select Monitor.	Is the «Actual Gear Ratio» 0.5 - 0.9?	Go to step 6 .	Replace the transmission assembly. Refer to AUTOMATIC TRANSMISSION ASSEMBLY .
6 DRIVING CHECK BY INSPECTION MODE. Turn the ignition switch to OFF. Perform a drive check based on the "Inspection Mode". Refer to INSPECTION MODE .	Does the AT OIL TEMP light blink and is DTC P0730 displayed?	Replace the transmission assembly. Refer to AUTOMATIC TRANSMISSION ASSEMBLY .	If there is shift problems, abrupt increase of engine speed, standing start problems, replace the transmission assembly. Refer to AUTOMATIC TRANSMISSION ASSEMBLY . If it is normal, temporary poor contact occurs.