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: Battery power is the only requirement for Data, Inputs, Module Information and Lock Outputs.

Base Model Part Number

Module Information 1

Number

varies

All Door Lock Motors

Outputs

OFF/ON

OFF

Battery Voltage

Data

9.0 -16.0 Volts

12.8 Volts

Driver Door Unlock Motors

Outputs

OFF/ON

OFF

Left Rear Door Ajar Sw.

Inputs

Closed/Ajar

Closed

LF Door Ajar Switch

Inputs

Door Closed/Ajar

Door Closed

LF Door Lock Switch

Inputs

Idle/Lock/Unlock/Invalid

Idle

LF Door Open Switch

Inputs

Closed/Open

Closed

LF Key Cylinder Lock Switch

Inputs

Idle/Lock/Unlock/Invalid

Idle

LR Door Open Switch

Inputs

Closed/Open

Closed

Passenger Door Unlock Motors

Outputs

OFF/ON

OFF

RF Door Ajar Switch

Inputs

Door Closed/Ajar

Door Closed

RF Door Lock Switch

Inputs

Idle/Lock/Unlock/Invalid

Idle

RF Door Open Switch

Inputs

Closed/Open

Closed

RF Key Cylinder Lock Switch

Inputs

Idle/Lock/Unlock/Invalid

Idle

Right Rear Door Ajar Sw.

Inputs

Closed/Ajar

Closed

RR Door Open Sw.

Inputs

Closed/Open

Closed