DTC Troubleshooting

DTC Troubleshooting: P0771 (74)

DTC P0771:

Shift Solenoid Valve E Stuck OFF

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review General Troubleshooting Information. How To Troubleshoot The A/T System

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 ATF Replacement. 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 ATF Replacement, then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle for several minutes with the shift lever in D, and let the transmission shift through all five gears.

6. Monitor the OBD STATUS for P0771 in the DTCs MENU with the HDS.

Does the HDS indicate FAILED?

YES -

Go to step 7.

NO -

If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, go to step 5.

7. Clear the DTC with the HDS.

8. Select Shift Solenoid Valve E in the Miscellaneous Test Menu, and make sure the shift solenoid valve E operates with the HDS.

Is a clicking sound heard?

YES -

Go to step 9.

NO -

Replace shift solenoid valve E Shift Solenoid Valve Test, Replacement, And Shift Solenoid Wire Harness Replacement, then go to step 11.

9. Test-drive the vehicle for several minutes with the shift lever in D, and let the transmission shift through all five gears, then slow down to a stop.

10. Monitor the OBD STATUS for P0771 in the DTCs MENU with the HDS.

Does the HDS indicate FAILED?

YES -

Repair shift valve E, 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 9.

11. Clear the DTC with the HDS.

12. Test-drive the vehicle with the shift lever in D, and let the transmission shift through 1st to 3rd gears. Then drive the vehicle at speeds above 19 mph (30 km/h) for at least 20 seconds.

13. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0771 indicated?

YES -

Go to step 7.

NO -

Go to step 14.

14. Monitor the OBD STATUS for P0771 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 P0771, go to the indicated DTC's troubleshooting.�

NO -

If the HDS indicates FAILED, go to step 11. If the HDS indicates NOT COMPLETED, go to step 12.