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Home >> Acura >> 2011 >> TL Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> DTC Troubleshooting >> DTC P0776: A/T Clutch Pressure Control Solenoid Valve B Stuck OFF; DTC P0777: A/T Clutch Pressure Control Solenoid Valve B Stuck ON

DTC P0776: A/T Clutch Pressure Control Solenoid Valve B Stuck OFF; DTC P0777: A/T Clutch Pressure Control 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 )
  1. Warm up the engine to normal operating temperature (the radiator fan comes on)
  2. Make sure that the transmission is filled to 1 he proper level, and check for fluid leaks
  3. 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  13

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

  4. Turn the ignition switch to ON (II), or press 1 he engine start/stop button to select the ON mode
  5. Clear the DTC with the HDS
  6. Test-drive the vehicle with the shift lever in D for at least 20 seconds, and let the transmission shift through all five gears Then slow down to a stop
  7. Monitor the OBD status for P0776 or P0777 in the DTCs MENU with the 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

  8. Clear the DTC with the HDS
  9. Select Clutch Pressure Control (Linear) Solenoid Valve B in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve B with the HDS

    Does the HDS indicate NORMAL? 

    YES  -Intermittent failure, the system is OK at this time

    NO  -Follow the instructions indicated on the HDS according to the test result 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 (see A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A AND B TEST )

    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  13.

    NO  -Replace A/T clutch pressure control solenoid valve B (see A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A AND B REPLACEMENT ), then go to step  13.

  11. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
  12. Clear the DTC with the HDS.
  13. Test-drive the vehicle with the shift lever in D for at least 20 seconds, and let the transmission shift through all five gears Then slow down to a stop
  14. Check for Pending or Confirmed DTCs with the HDS

    Is DTC P0776 or P0777 indicated? 

    YES  -Go to step  8

    NO  -Go to step 15

  15. Monitor the OBD STATUS for P0776 or P0777 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 14, 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  13