DTC B2550, Storage Mode Entered
WARNING: This page is about a different car, the 1997 Cadillac Seville, 1997 Cadillac Eldorado, and 1997 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
To conserve power, PZM can be commanded into a storage mode. DTC B2550 will set 20 minutes after storage mode has been entered. DTC B2550 will clear when ignition switch is turned from LOCK position.