One problem related to automatic transmission cooler has been reported for the 2011 Honda Odyssey. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Honda Odyssey based on all problems reported for the 2011 Odyssey.
At 95k miles, automatic transmission overheated due to insufficient cooling, faulty torque converter. The vehicle was never used for towing. This seems to be a chronic theme (bad transmissions) with Honda Odysseys.