GM Service Manual Online
For 1990-2009 cars only

Body Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Doors Closed

Door Lock Requestor

Doors

Auto Locks/Power Lock/Door Key Cyl./Rear Closure/Emergency/Keyless Entry/Passive Keyless/Remote/Delayed Lock/Relocking/Anti-Lockout/Exterior Sw.

Varies

Drvr. Door Unlock Cmd.

Doors

On/Off

OFF

Left Rear Door Ajar Sw.

Doors

Door Ajar/Door Closed

Door Closed

Rear Doors Lock Cmd.

Doors

On/Off

OFF

Rear Doors Unlock Cmd.

Doors

On/Off

OFF

Right Rear Door Ajar Sw.

Doors

Door Ajar/Door Closed

Door Closed

Driver Door Switch

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Doors Closed

Door Lock Actuator Cmd.

Outputs

Off/Unlock/Lock

Off

Door Key Cyl. Unlock Switch

Inputs

Idle/Unlock

Idle

Driver Door Ajar Sw.

Inputs

Inactive/Active

Inactive

Driver Door Open Sw.

Inputs

Inactive/Active

Inactive

Passenger Door Switch

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Doors Closed

Door Lock Actuator Cmd.

Outputs

Off/Unlock/Lock

Off

Door Key Cyl. Unlock Switch

Inputs

Idle/Unlock

Idle

Passenger Door Ajar Sw.

Inputs

Inactive/Active

Inactive

Passenger Door Open Sw.

Inputs

Inactive/Active

Inactive