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 system DTCs P0815, P0816 or P0826.
No IMS range DTCs P1815, P1820, P1822, P1823, P1825 or P1826.
The engine run time is greater than 5 seconds.
No CAN errors present.