Honda CR-V: DTC P0776: A/T Clutch Pressure Control Solenoid Valve B Stuck OFF

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 (see step 3 on page 14-239) 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 11.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P0776 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-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. Choose 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 HDS indicate NORMAL? YES-Intermittent failure, the system is OK at this time.

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 11.

NO-Replace A/T clutch pressure control solenoid valve B, then go to step 11.

11. Clear the DTC with the HDS.

12. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

14. Monitor the OBD STATUS for P0776 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS 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.

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, 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 (see step 3 on page 14-239) 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 11.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P0777 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-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. Choose 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 HDS indicate NORMAL? YES-Intermittent failure, the system is OK at this time.

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.lf 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 11.

NO-Replace A/T clutch pressure control solenoid valve B, then go to step 11.

11. Clear the DTC with the HDS.

12. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

14. Monitor the OBD STATUS for P0777 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS 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.

DTC P0780: Shift Control System

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1. Check for other DTCs indicated simultaneous with DTC P0780.

NOTE: DTC P0780 means there is one or more A/T DTCs about the shift control system.

Are there other DTCs? YES-Troubleshoot indicated DTC(s):

• P1730
• P1731
• P1732
• P1733
• P1734

NO-Go to step 2.

2. Update the A/T software in the PCM if it does not have latest software, or substitute a known-good PCM.

3. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0780 indicated? YES-If the PCM was updated, substitute a known-good PCM , then recheck. lfthe PCM was substituted, go to step 1.

NO-Go to step 4.

4. Monitor the OBD STATUS for P0780 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM . If any other DTCs were indicated on step 3, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at shift solenoid valves, A/T clutch pressure control solenoid valves, and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, keep idling until a result comes on.

DTC P0796: A/T Clutch Pressure Control Solenoid Valve C Stuck OFF

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 (see step 3 on page 14-239) 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 11.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P0796 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-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. Choose Clutch Pressure Control (Linear) Solenoid C in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve C 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 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 C.

Does A/T clutch pressure control solenoid valve C work properly? YES-Repair the hydraulic system related with shift valve C, or replace the transmission, then go to step 11.

NO-Replace A/T clutch pressure control solenoid valve C, then go to step 11.

11. Clear the DTC with the HDS.

12. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

14. Monitor the OBD STATUS for P0796 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS 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.

DTC P0797: A/T Clutch Pressure Control Solenoid Valve C 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 (see step 3 on page 14-239) 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 1.1.

NO-Replace the ATF (see step 5 on page 14-239), then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

6. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

7. Monitor the OBD STATUS for P0797 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 8.

NO-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. Choose Clutch Pressure Control (Linear) Solenoid C in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve C 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 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 C.

Does A/T clutch pressure control solenoid valve C work properly? YES-Repair the hydraulic system related with shift valve C, or replace the transmission, then go to step 11.

NO-Replace A/T clutch pressure control solenoid valve C, then go to step 11.

11. Clear the DTC with the HDS.

12. Test-drive the vehicle in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

13. Test-drive the vehicle again in the D position through all five gears at speeds over 12 mph (20 km/h) for more than 20 seconds, then slow down to a stop.

14. Monitor the OBD STATUS for P0797 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS 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.

DTC P0842: Short in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck ON

NOTE:

• Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
• This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

1. Clear the DTC with the HDS.

2. Check the 2nd PRESSURE SWITCH signal with the HDS in the A/T data list when not in 2nd gear.

Is the 2nd PRESSURE SWITCH OFF? YES-Go to step 3.

NO-Go to step 6.

3. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).

4. Drive the vehicle in 2nd gear in the 2 position for more than 5 seconds, then shift to the D position, and drive in 3rd gear for more than 5 seconds.

Slow down and stop the wheels.

5. Monitor the OBD STATUS for POB42 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 6.

NO-Intermittent failure, the system is OK at this time. Check the OP2SW wire for an intermittent short to ground between the 2nd clutch transmission fluid pressure switch and the PCM. If the HDS indicates NOT COMPLETED, return to step 4 and recheck.

6. Turn the ignition switch OFF.

7. Disconnect the 2nd clutch transmission fluid pressure switch connector.

8. Turn the ignition switch ON (II).

9. Check the 2nd PRESSURE SWITCH signal with the HDS in the A/T data list.

Is the 2nd PRESSURE SWITCH OFF? YES-Replace the 2nd clutch transmission fluid pressure switch, then go to step 18.

NO-Go to step 10.

10. Turn the ignition switch OFF.

11. Jump the SCS line with the HDS.

12. Disconnect PCM connector B (44P).

13. Check for continuity between PCM connector terminal B8 and body ground.

Is there continuity? YES-Repair short in the wire between PCM connector terminal 8B and the 2nd clutch transmission fluid pressure switch, then go to step 18.

NO-Go to step 14.

14. Update the A/T software in the PCM if it does not have the latest software, or substitute a known-good PCM.

15. Drive the vehicle in 2nd gear in the 2 position for more than 5 seconds, then shift to the D position, and drive in 3rd gear for more than 5 seconds.

Slow down and stop the wheels.

16. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0842 indicated? YES-If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1.

NO-Go to step 17.

17. Monitor the OBD STATUS for P0842 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other DTCs were indicated on step 16, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, return to step 15 and recheck.

18. Clear the DTC with the HDS.

19. Drive the vehicle in 2nd gear in the 2 position for more than 5 seconds, then shift to the D position, and drive in 3rd gear for more than 5 seconds.

Slow down and stop the wheels.

20. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0842 indicated? YES-Check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM, then go to step 1.

NO-Go to step 21.

21. Monitor the OBD STATUS for P0842 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete. If any other DTCs were indicated on step 20, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 19 and recheck.

DTC P0843: Open in 2nd Clutch Transmission Fluid Pressure Switch Circuit, or 2nd Clutch Transmission Fluid Pressure Switch Stuck OFF

NOTE:

• Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
• This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

1. Clear the DTC with the HDS.

2. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).

3. Shift into the 2 position while pressing the brake pedal, and verify with the HDS in the A/T data list that the SHIFT COMMAND indicates 2nd.

4. Check the 2nd PRESSURE SWITCH signal with the HDS in the A/T data list.

Is the 2nd PRESSURE SWITCH ON? YES-Go to step 5.

NO-Go to step 7.

5. Drive the vehicle in 2nd gear in the 2 position for more than 5 seconds, then shift to the D position, and drive in 3rd gear for more than 5 seconds.

Slow down and stop the wheels.

6. Monitor the OBD STATUS for P0843 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 7.

NO-Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.

7. Turn the ignition switch OFF.

8. Disconnect the 2nd clutch transmission fluid pressure switch connector.

9. Turn the ignition switch ON (II).

10. Measure the voltage between the 2nd clutch transmission fluid pressure switch connector terminal and body ground.

Is there about 5 V? YES-Replace the 2nd clutch transmission fluid pressure switch, then go to step 19.

NO-Go to step 11.

11. Turn the ignition switch OFF.

12. Jump the SCS line with the HDS.

13. Disconnect PCM connector B (44P).

14. Check for continuity between PCM connector terminal B8 and the 2nd clutch transmission fluid pressure switch connector terminal.

Is there continuity? YES-Check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM. If the connections are OK, go to step 15.

NO-Repair open in the wire between PCM connector terminal B8 and the 2nd clutch transmission fluid pressure switch, then go to step 19.

15. Update the A/T software in the PCM if it does not have the latest software (see page 14-9), or substitute a known-good PCM (see page 14-10).

16. Drive the vehicle in 2nd gear in the 2 position for more than 5 seconds, then shift to the D position, and drive in 3rd gear for more than 5 seconds.

Slow down and stop the wheels.

17. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0843 indicated? YES-If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. If the PCM was substituted, go to step 1.

NO-Go to step 18.

18. Monitor the OBD STATUS for P0843 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see page 11 -219). If any other DTCs were indicated on step 17, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM. If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, return to step 16 and recheck.

19. Clear the DTC with the HDS.

20. Drive the vehicle in 2nd gear in the 2 position for more than 5 seconds, then shift to the D position, and drive in 3rd gear for more than 5 seconds.

Slow down and stop the wheels.

21. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0843 indicated? YES-Check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM, then go to step 1.

NO-Go to step 22.

22. Monitor the OBD STATUS for P0843 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete. If any other DTCs were indicated on step 21, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 2nd clutch transmission fluid pressure switch and the PCM, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 20 and recheck.

DTC P0847: Short in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck ON

NOTE:

• Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
• This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

1. Clear the DTC with the HDS.

2. Check the 3rd PRESSURE SWITCH signal with the HDS in the A/T data list when not in 3rd gear.

Is the 3rd PRESSURE SWITCH OFF? YES-Go to step 3.

NO-Go to step 6.

3. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).

4. Drive the vehicle in 3rd gear in the D position D3 driving mode for more than 5 seconds, then release the D3 driving mode by pushing the D3 switch, and drive in 4th gear for more than 5 seconds. Slow down and stop the wheels.

5. Monitor the OBD STATUS for POB47 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 6.

NO-Intermittent failure, the system is OK at this time. Check the OP3SW wire for an intermittent short to ground between the 3rd clutch transmission fluid pressure switch and the PCM. If the HDS indicates NOT COMPLETED, return to step 4 and recheck.

6. Turn the ignition switch OFF.

7. Disconnect the 3rd clutch transmission fluid pressure switch connector.

B. Turn the ignition switch ON (II).

9. Check the 3rd PRESSURE SWITCH signal with the HDS in the A/T data list.

Is the 3rd PRESSURE SWITCH OFF? YES-Replace the 3rd clutch transmission fluid pressure switch (see page 14-234), then go to step 1B.

NO-Go to step 10.

10. Turn the ignition switch OFF.

11. Jump the SCS line with the HDS.

12. Disconnect PCM connector B (44P).

13. Check for continuity between PCM connector terminal B9 and body ground.

Is there continuity? YES-Repair short in the wire between PCM connector terminal B9 and the 3rd clutch transmission fluid pressure switch, then go to step 18.

NO-Go to step 14.

14. Update the A/T software in the PCM if it does not have the latest software (see page 14-9), or substitute a known-good PCM (see page 14-10).

15. Drive the vehicle in 3rd gear in the D position D3 driving mode for more than 5 seconds, then release the D3 driving mode by pushing the D3 switch, and drive in 4th gear for more than 5 seconds. Slow down and stop the wheels.

16. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0847 indicated? YES-If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. 1ft he PCM was substituted, go to step 1.

NO-Go to step 17.

17. Monitor the OBD STATUS for P0847 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see page 11 -219). If any other DTCs were indicated on step 16, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM. If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, return to step 15 and recheck.

18. Clear the DTC with the HDS.

19. Drive the vehicle in 3rd gear in the D position D3 driving mode for more than 5 seconds, then release the D3 driving mode by pushing the D3 switch, and drive in 4th gear for more than 5 seconds. Slow down and stop the wheels.

20. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0847 indicated? YES-Check for poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM, then go to step 1.

NO-Go to step 21.

21. Monitor the OBD STATUS for P0847 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete. If any other DTCs were indicated on step 20, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 19 and recheck.

DTC P0848: Open in 3rd Clutch Transmission Fluid Pressure Switch Circuit, or 3rd Clutch Transmission Fluid Pressure Switch Stuck OFF

NOTE:

• Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
• This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

1. Clear the DTC with the HDS.

2. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).

3. Drive the vehicle in 3rd gear in the D position D3 driving mode, and verify with the HDS in the A/T data list that the SHIFT COMMAND indicates 3rd.

4. Check the 3rd PRESSURE SWITCH signal with the HDS in the A/T data list.

Is the 3rd PRESSURE SWITCH ON? YES-Go to step 5.

NO-Go to step 7.

5. Drive the vehicle in 3rd gear in the D position D3 driving mode for more than 5 seconds, then release the D3 driving mode by pushing the D3 switch, and drive in 4th gear for more than 5.seconds. Slow down and stop the wheels.

6. Monitor the OBD STATUS for P0848 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate FAILED? YES-Go to step 7.

NO-Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM. If the HDS indicates NOT COMPLETED, return to step 5 and recheck.

7. Turn the ignition switch OFF, 8. Disconnect the 3rd clutch transmission fluid pressure switch connector.

9. Turn the ignition switch ON (II).

10. Measure the voltage between the 3rd clutch transmission fluid pressure switch connector terminal and body ground.

Is thereabout 5 V? YES-Replace the 3rd clutch transmission fluid pressure switch (see page 14-234), then go to step 19.

NO-Go to step 11.

11. Turn the ignition switch OFF.

12. Jump the SCS line with the HDS.

13. Disconnect PCM connector B (44P).

14. Check for continuity between PCM connector terminal B9 and the 3rd clutch transmission fluid pressure switch connector terminal.

Is there continuity?

YES-Check for poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM. If the connections are OK, go to step 15.

NO-Repair open in the wire between PCM connector terminal B9 and the 3rd clutch transmission fluid pressure switch, then go to step 19.

15. Update the A/T software in the PCM if it does not have the latest software (see page 14-9), or substitute a known-good PCM (see page 14-10).

16. Drive the vehicle in 3rd gear in the D position D3 driving mode for more than 5 seconds, then release the D3 driving mode by pushing the D3 switch, and drive in 4th gear for more than 5 seconds. Slow down and stop the wheels.

17. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0848 indicated? YES-If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. If the PCM was substituted, go to step 1.

NO-Go to step 18.

18. Monitor the OBD STATUS for P0848 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-If the PCM was updated, troubleshooting is complete; If the PCM was substituted, replace the original PCM (see page 11-219).lf any other DTCs were indicated on step 17, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM. If the PCM was updated, substitute a known-good PCM (see page 14-10), then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, return to step 16 and recheck.

19. Clear the DTC with the HDS.

20. Drive the vehicle in 3rd gear in the D position D3 driving mode for more than 5 seconds, then release the D3 driving mode by pushing the D3 switch, and drive in 4th gear for more than 5 seconds. Slow down and stop the wheels.

21. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.

Is DTC P0848 indicated? YES-Check for poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM, then go to step 1.

NO-Go to step 22.

22. Monitor the OBD STATUS for P0848 in the DTCs/ Freeze Data in A/T Mode Menu for a pass/fail.

Does the HDS indicate PASSED? YES-Troubleshooting is complete. If any other DTCs were indicated on step 21, go to the indicated DTC's troubleshooting.

NO-If the HDS indicates FAILED, check for poor connections and loose terminals at the 3rd clutch transmission fluid pressure switch and the PCM, then go to step 1. If the HDS indicates NOT COMPLETED, return to step 20 and recheck.

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