Automatic Transmission
DTC P0756: Shift Solenoid Valve B Stuck OFFDTC P0757: Shift Solenoid Valve B Stuck ON
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
1. Warm up the engine to normal operating temperature (the radiator fan comes on).
2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.
3. Drain the ATF 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 9.
NO - Replace the ATF, then go to step 4.
4. Clear the DTC with the HDS.
5. Select SHIFT SOLENOID B in MISCELLANEOUS TEST MENU, and check that SHIFT SOLENOID VALVE B operates with the HDS.
Is a clicking sound heard?
YES - Go to step 6.
NO - Replace shift solenoid valve B, then go to step 9.
6. Test-drive the vehicle in D through all five gears.
7. Turn the ignition switch to LOCK (0), and repeat the test-drive in step 6.
8. Monitor the OBD STATUS for P0756 or P0757 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Intermittent failure, the system is OK at this time.
NO - If the screen indicates FAILED, repair shift valve B, or replace the transmission, then go to step 9. If the screen indicates NOT COMPLETED, return to step 6 and recheck.
9. Reconnect all connectors.
10. Turn the ignition switch to ON (II).
11. Clear the DTC with the HDS.
12. Test-drive the vehicle in D through all five gears.
13. Turn the ignition switch to LOCK (0), and repeat the test-drive in step 12.
14. Check for Temporary DTCs or DTCs with the HDS. Is DTC P0756 or P0757 indicated?
YES - Go to step 4.
NO - If Temporary DTC or DTC P0756 or P0757 is not indicated, or if any other Temporary DTCs are indicated, go to step 15.
15. Monitor the OBD STATUS for P0756 or P0757 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Troubleshooting is complete. If any other Temporary DTC or DTCs were indicated on step 14, go to the indicated DTCs troubleshooting.
NO - If the screen indicates FAILED, then go to step 4. If the screen indicates NOT COMPLETED, go to step 12.