GM Service Manual Online
For 1990-2009 cars only

Circuit Description

During long periods when the vehicle is not being used, the PZM can be put into the storage mode in order to conserve battery power.

Conditions for Setting the DTC

The PZM will set this DTC 20 minutes after the storage mode is entered.

DTC Will Clear When

The ignition switch is turned from the LOCK position.

Diagnostic Aids

This DTC is a normal condition when the vehicle has entered the storage mode.