On Board Diagnosis Logic

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

This is an OBD-II self-diagnostic item.
Diagnostic trouble code "P0744 A/T TCC S/V FNCTN" with CONSULT-II is detected under the following conditions.

When A/T cannot perform lock-up even if electrical circuit is good.
When TCM detects as irregular by comparing difference value with slip rotation.