Check Trans Indicator

Find "CHECK TRANS" indicator and verify if it is:

A. Flashing. Displaying and Reading Trouble Codes
B. Staying "ON". Do the "Check Trans Check". Transmission and Drivetrain
C. Is never "ON" when the Ignition key is turned "ON". Do the "Check Trans Check".
D. Is "ON" during 2 to 3 seconds at ignition but "OFF" after normal operation. No Diagnostic Trouble Code (DTC) or malfunction.