GM Service Manual Online
For 1990-2009 cars only

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Left Rear Door Ajar Switch

Inputs

Closed/Ajar

Closed

LF Door Ajar Switch

Inputs

Door Closed/Ajar

Door Closed

LF Key Cylinder Lock Switch

Inputs

Idle/Lock/Unlock/Invalid

Idle

Right Rear Door Ajar Switch

Inputs

Closed/Ajar

Closed

RF Door Ajar Switch

Inputs

Door Closed/Ajar

Door Closed

RF Key Cylinder Lock Switch

Inputs

Idle/Lock/Unlock/Invalid

Idle