GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module
Table 2: Instrument Cluster

Body Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/ Engine OFF/ Vehicle in PARK

Cargo Door Ajar

Input

Active/ Inactive

Inactive

Lift Glass Ajar

Input

Active/ Inactive

Inactive

Instrument Cluster

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/ Engine OFF/ Vehicle in PARK

Cargo Door Indicator

Output

ON/OFF

OFF