Conditions for Running the DTC
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
B1370 01
Ignition switch is in the OFF or ACC positions.
B1370 06, B1380 01, B1441 01, B1441 06
Ignition switch is in the START position.
B1380 06, B1440
Ignition switch is in the RUN position.