GM Service Manual Online
For 1990-2009 cars only
Table 1: Sensing Diagnostic Module (SDM)
Table 2: Body Control Module (BCM)

Sensing Diagnostic Module (SDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Driver Seat Belt Switch

--

Active/Inactive

Inactive

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Passenger Seatbelt Indicator Commanded

Lighting Data

On/Off

Off