DTC P0756: Shift Solenoid Valve B Stuck OFF; DTC P0757: Shift Solenoid Valve B Stuck ON

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS,, and review 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 ATF Replacement, see step 3) 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 12

NO -Replace the ATF (see ATF Replacement, see step 5), then go to step 4

Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
Clear the DTC with the HDS
Test-drive the vehicle with the shift lever in D for at least 11 seconds, and let the transmission shift through all five gears Then slow down to a stop
Monitor the OBD status for P0756 or P0757 in the DTCs MENU with 1 he HDS

Does the HDS indicate FAILED?

YES -Go to step 8

NO -If the HDS indicates PASSED, intermittent failure, the system is OK at this time If the HDS indicates NOT COMPLETED, go to step 6

Clear the DTC with the HDS
Select Shift Solenoid Valve 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 10

NO -Replace shift solenoid valve B (see SHIFT SOLENOID VALVE TEST, REPLACEMENT, AND SHIFT SOLENOID WIRE HARNESS REPLACEMENT ), then go to step 12

Test-drive the vehicle with the shift lever in D for at least 11 seconds, and let the transmission shift through all five gears Then slow down to a stop
Monitor the OBD status for P0756 or P0757 in the DTCs MENU with the HDS

Does the HDS indicate FAILED?

YES -Repair shift valve B, or replace the transmission, then go to step 12

NO -If the HDS indicates PASSED, intermittent failure, the system is OK at this time If the HDS indicates NOT COMPLETED, go to step 10

Test-drive the vehicle with the shift lever in D for at least 11 seconds, and let the transmission shift through all five gears Then slow down to a stop
Check for Pending or Confirmed DTCs with the HDS

Is DTC P0756 or P0757 indicated?

YES -Go to step 8

NO -Go to step 14

Monitor the OBD STATUS for P0756 or P0757 in the DTCs MENU with the HDS
Does the HDS indicate PASSED?

YES -Troubleshooting is complete If any other Pending or Confirmed DTCs were indicated in step 13, go to the indicated DTC's troubleshooting

NO -If the HDS indicates FAILED, go to step 8 If the HDS indicates NOT COMPLETED, go to step 12