2015 Outlander Sport P1740 Fault: Transmission Service Message Appears and Disappears

Model: 2015 Outlander Sport Fault Code: P1740 Posted: 2021-10-27 14:47

My 2015 Toyota Outlander Sport with 49,000 miles is showing a 'Transmission Service Required' message on the dashboard. I turned off the vehicle and restarted it, which caused the message to disappear. There is no check engine light illuminated, but the fault code P1740 has been stored in the ECU. The issue appears intermittent. Any insights or recommendations for diagnosing this specific P1740 code on a 2015 Outlander Sport? Is it related to transmission control module issues or sensor malfunctions?