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In this video I’ll show you how to change the external automatic transmission filter in a Honda Odyssey.
On a lot of vehicles the transmission filter is located in the transmission pan and is only serviceable if you remove the automatic transmission pan and fluid.
On the Honda Odyssey, we have an external transmission filter that’s located on top of the transmission which is pretty easy to get to and service. You can pick one of these transmission filters from any local parts store.
And this video we are working on a Duramax with a poor exhaust fluid quality message on the dash and the vehicle has gone into limp mode. This video is a diagnostic overview of what we did to fix the poor exhaust fluid quality message and get the vehicle out of limp mode.
We also had coolant temperature codes along with some glow plug codes. I will show you how to do a reductant fluid quality test along with a service Regen with the factory Tech 2 scan tool.
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DTC P0741: Torque Converter Clutch Hydraulic Circuit 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 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. Turn the ignition switch ON (II).
5. Clear the DTC with the HDS.
6. Choose Lockup Solenoid Test in Miscellaneous Test Menu, and check that the torque converter clutch solenoid valve operates with the HDS.
Is a clicking sound heard?
YES – Go to step 7.
NO – Replace the torque converter clutch solenoid valve, then go to step 11.
7. Choose Clutch Pressure Control (Linear) Solenoid C in Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve C with the HDS.
Is the result NORMAL?
YES – Go to step 8.
NO – Follow the instructions indicated on the HDS by the test result, but the tester has not determined the cause of the failure, go to step 11. If any part was replaced, go to step 12.
8. Run the engine until the ECT SENSOR value reaches 176°F (80°C).
9. Test-drive the vehicle at 55 mph (88 km/h) for 2 minutes while monitoring the vehicle speed with the HDS.
10. Monitor the OBD STATUS for P0741 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate FAILED?
YES – Repair faulty torque converter clutch mechanism, torque converter clutch hydraulic circuit, lock-up shift valve, or the lock-up control valve, or replace the transmission.
NO – Intermittent failure, the system is OK at this time. If the screen indicates NOT COMPLETED, go to step 9.
11. 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 the lock-up shift valve, the lock-up control valve, and the lock-up timing valve, or replace the transmission, then go to step 12.
NO – Replace the A/T clutch pressure control solenoid valve C, then go to step 12.
12. Turn the ignition switch ON (II).
13. Clear the DTC with the HDS.
14. Test-drive the vehicle for several minutes under the same conditions as those indicated by the freeze data.
15. Check for DTCs with the HDS.
Is DTC P0741 indicated?
YES – Go to step 7.
NO – Go to step 16.
16. Monitor the OBD STATUS for P0741 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES – Troubleshooting is complete. If any other DTCs were indicated in step 15, go to the indicated DTC’s troubleshooting.
NO – If the screen indicates FAILED, go to step 7. If the screen indicates NOT COMPLETED, go to step 14.
