Automatic Transmission
DTC P0776: A/T Clutch Pressure Control Solenoid Valve B 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 then 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 12.
NO - Replace the ATF, then go to step 4.
4. Clear the DTC with the HDS.
5. Test-drive the vehicle in D, then continue in 5th gear for at least 20 seconds.
6. Turn the ignition switch to LOCK (0), then repeat the test-drive in step 5, then go to step 7.
7. Monitor the OBD STATUS for P0776 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate FAILED?
YES - Go to step 8.
NO - If the screen indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.
8. Clear the DTC with the HDS.
9. Select Clutch Pressure Control (Linear) Solenoid B in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve B with the HDS.
Does the screen indicate NORMAL?
YES - If the screen indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 9 and recheck.
NO - Follow the instructions indicated on the HDS by the test result, but if the HDS has not determined the cause of the failure, go to step 10. If any part is replaced, go to step 11.
10. Inspect A/T clutch pressure control solenoid valve B.
Does A/T clutch pressure control solenoid valve B work properly?
YES - Repair the hydraulic system related with shift valve B, or replace the transmission, then go to step 12.
NO - Replace A/T clutch pressure control solenoid valve B, then go to step 12.
11. Clear the DTC with the HDS.
12. Test-drive the vehicle in D, then continue in 5th gear for at least 20 seconds.
13. Turn the ignition switch to LOCK (0), then repeat the test-drive in step 12, then go to step 14.
14. Monitor the OBD STATUS for P0776 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate PASSED?
YES - Troubleshooting is complete.
NO - If the HDS indicates FAILED, return to step 1 and recheck. If the HDS indicates NOT COMPLETED, return to step 12 and recheck.