Conditions for Setting the DTC

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

The gear shifts to 3rd gear in response to a 1-2 upshift command.
The gear remains in 4th gear in response to a 4-5 upshift command, when there is no history indicating a short shift time at a preceding 3-4 upshift operation.