Conditions for Setting the DTC

WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.

No emergency mode.
TCM detects that the OFF signal (12 V) of the shift solenoid monitor, when the SS2 driver outputs the ON signal (0V) for 0.5 of a second continuously.
Detection continuously occurs 1 time.