Conditions for Running the DTC

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

No Tap up/Tap down DTC P0826.
No IMS DTCs P1815, P1820, P1822, P1823, P1825 or P1826.
The engine run time is greater than 5 seconds.
The time since last gear selector range change is greater than 6 seconds.