GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Door Module/Passenger Door Module
Table 2: Body Control Module
Table 3: Liftgate Module

Driver Door Module/Passenger Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Vehicle in PARK/All doors closed

Base Software P/N

Module Info.

Decimal

16XXX

Base Software Suffix

Module Info.

ASCII

XX

Battery 1 (Low Current)

Data

Volts

12.8

Battery 2 (High Current)

Data

Volts

12.8

Calibration P/N

Module Info.

Decimal

16XXX

Calibration Suffix

Module Info.

ASCII

16XXX

Door Ajar Switch

Inputs

On, Off

Off

Door Lock Motor

Outputs

Idle, Lock, Unlock

Idle

Door Lock Switch

Outputs

Idle, Lock, Unlock

Idle

Program Software P/N

Module Info.

Decimal

16XXX

Program Software Suffix

Module Info.

ASCII

XX

Body Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Vehicle in PARK/All doors closed

Left Rear Door Ajar Sw.

Inputs

On/Off

Off

Right Rear Door Ajar Sw.

Inputs

On/Off

Off

Rear Doors Unlock

Outputs

Yes/No

No

Rear Doors Lock

Outputs

Yes/No

No

Liftgate Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Vehicle in PARK/All doors closed

Liftgate Ajar Switch

Data

Closed/Ajar

Closed

Lift Glass Ajar Switch

Data

Closed/Ajar

Closed

Lock Command

Data

Idle/Unlock/Lock

Idle

Requested Lock/Unlock

Data

Idle/Unlock/Lock

Idle