P0766
DTC P0766: Shift Solenoid Valve D Stuck OFFNOTE: 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.
NO - Replace the ATF, then go to step 4.
4. Clear the DTC with the HDS.
5. Choose Shift Solenoid D in Miscellaneous Test Menu, and check that the shift solenoid valve D operates with the HDS.
Is a clicking sound heard?
YES - Go to step 6.
NO - Replace shift solenoid valve D, then go to step 9.
6. Start the engine, shift to the N position, and drive the vehicle in the R position about 5 seconds. Test-drive the vehicle in the D position through all five gears at speeds over 12 km/h (20 mph) for more than 20 seconds, then show down to a stop.
7. Repeat test-driving step 6.
8. Monitor the OBD status for P0766 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate FAILED?
YES - Repair shift valve D, or replace the transmission, then go to step 9.
NO - Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 6 and recheck.
9. Clear the DTC with the HDS.
10. Start the engine, shift to the N position, and drive the vehicle in the R position about 5 seconds. Test-drive the vehicle in the D position through all five gears at speeds over 12 km/h (20 mph) for more than 20 seconds, then show down to a stop.
11. Repeat test-driving step 10.
12. Monitor the OBD status for P0766 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate PASSED?
YES - Troubleshooting is complete.
NO - Return to step 4 and recheck.