from the Torque Converter Lock-Up Clutch
AFFECTED VEHICLES Year Model Trim VIN Range 2012 Odyssey Touring, Touring Elite 5FNRL5H…CB053446 thru 5FNRL5H…CB148157 2013 Odyssey Touring, Touring Elite ALL 2014–15 Odyssey ALL ALL
A judder from the torque converter lock-up clutch may be felt while driving between 20 and 60mph. The problem is typically diagnosed as a bad torque converter. American Honda investigated the judder and found that the torque converter was not causing the judder; rather, it was caused by deteriorated transmission fluid. The transmission fluid deteriorates quicker than expected when it is exposed to intermittent high heat loads under specific driving conditions. American Honda is working on a software update that will maintain the transmission fluid temperature within the desirable range under all driving conditions and eliminate the potential for this judder. American Honda will revise this service bulletin when the software update is available.
Until the software is released, the judder can be fixed by flushing the transmission fluid as indicated in the FLUSH PROCEDURE. Make sure the customer is aware that this is a temporary fix and he or she will have to return once the software is available to make sure the transmission judder is resolved.
NOTE: American Honda defines flushing the transmission as draining and filling the transmission with a drive cycle three times to help make sure the deteriorated fluid is removed. There are other aftermarket flush systems available, but American Honda does not recommend using them.
TEMPORARY CORRECTIVE ACTION
Take an automatic transmission snapshot and review the data. For more information about capturing and interpreting the data, refer to the job aid Torque Converter Clutch Shudder and Vibration and the Tech2Tech® video "Interpreting Torque Converter Judder Snapshot Data."
Once it is confirmed that the judder is coming from the torque converter, flush the transmission three times as indicated in the FLUSH PROCEDURE. This is a temporary fix that does not affect the durability or life span of the torque converter until the software is developed.
NOTE: There is no need to call Tech Line before undertaking this ATF flush repair