On Board Diagnosis Logic

WARNING: This page is about a different car, the 2004 Nissan Maxima. 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 "SHIFT" with Consult-II or P0780 without Consult-II is detected under the following conditions.

When no rotation change occurs between input (turbine revolution sensor) and output (revolution sensor) and shifting time is long.
When shifting ends immediately.
When engine revs up unusually during shifting.