DTC P1730: Problem in Shift Control System:

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

Shift Solenoid Valves A or D Stuck OFF
Shift Solenoid Valve B Stuck ON
Shift Valves A, B, or D Stuck

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ).

Warm up the engine to normal operating temperature (the radiator fan comes on).
Make sure that the transmission is filled to the proper level, and check for fluid leaks.
Drain the ATF (see step 3 on ATF REPLACEMENT ) through a strainer. Inspect the strainer for metal debris or excessive clutch material.
Does the strainer have metal debris or excessive clutch material?

YES - Replace the transmission, then go to step 17.

NO - Replace the ATF (see step 4 on ATF REPLACEMENT ), then go to step 4.
Turn the ignition switch to ON (II).
Clear the DTC with the HDS.
Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.
Turn the ignition switch to LOCK (0), and repeat the test-drive in step 6.
Monitor the OBD STATUS for P1730 in the DTCs MENU with the HDS.
Does the screen indicate FAILED?

YES - Go to step 9.

NO - If the screen indicates PASSED, intermittent failure, the system is OK at this time. If the screen indicates NOT COMPLETED, go to step 6.
Clear the DTC with the HDS.
Select Shift Solenoid A in the Miscellaneous Test Menu, and check that shift solenoid valve A operates with the HDS.
Is a clicking sound heard?

YES - Go to step 11.

NO - Replace shift solenoid valve A (see SHIFT SOLENOID VALVE REPLACEMENT ), then go to step 16.
Select Shift Solenoid B in the Miscellaneous Test Menu, and check that shift solenoid valve B operates with the HDS.
Is a clicking sound heard?

YES - Go to step 12.

NO - Replace shift solenoid valve B (see SHIFT SOLENOID VALVE REPLACEMENT ), then go to step 16.
Select Shift Solenoid D in the Miscellaneous Test Menu, and check that shift solenoid valve D operates with the HDS.
Is a clicking sound heard ?

YES - Go to step 13.

NO - Replace shift solenoid valve D (see SHIFT SOLENOID VALVE REPLACEMENT ), then go to step 16.
Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.
Turn the ignition switch to LOCK (0), and repeat the test-drive in step 13.
Monitor the OBD STATUS for P1730 in the DTCs MENU with the HDS.
Does the screen indicate FAILED?

YES - Repair the hydraulic system related with shift valves A, B, and D, or replace the transmission, then go to step 16.

NO - If the screen indicates PASSED, intermittent failure, the system is OK at this time. If the screen indicates NOT COMPLETED, go to step 13.
Reconnect all connectors.
Turn the ignition switch to ON (II).
Clear the DTC with the HDS.
Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.
Turn the ignition switch to LOCK (0), and repeat the test-drive in step 19.
Check for DTCs with the HDS.
Is DTC P1730 indicated?

YES - Go to step 9.

NO - Go to step 22.
Monitor the OBD STATUS for P1730 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?

YES - Troubleshooting is complete. If any other DTCs were indicated in step 21, go to the INDICATED DTCS TROUBLESHOOTING .

NO - If the screen indicates FAILED, go to step 9. If the screen indicates NOT COMPLETED, go to step 19.