GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Door Module/Passenger Door Module
Table 2: Body Control Module
Table 3: HVAC Control Module
Table 4: 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

Left Front Window Status

Inputs

Idle, Up, Down, Express Down

Idle

Left Rear Window Status

Inputs

Idle, Up, Down

Idle

Program Software P/N

Module Info.

Decimal

16XXX

Program Software Suffix

Module Info.

ASCII

XX

Right Front Window Status

Inputs

Idle, Up, Down, Express Down

Idle

Right Rear Window Status

Inputs

Idle, Up, Down

Idle

Window Lockout

Inputs

On,Off

Idle

Window Lockout LED

Outputs

On,Off

Off

Window Motor Current

Data

mA

0

Window Motor Output

Outputs

Idle, Up, Down, Express Down

Idle

Body Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

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

Right Rear Window Up Relay

Outputs

Active/Inactive

Inactive

Right Rear Window Down Relay

Outputs

Active/Inactive

Inactive

Left Rear Window Up Relay

Outputs

Active/Inactive

Inactive

Left Rear Window Down Relay

Outputs

Active/Inactive

Inactive

HVAC Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Rear Defrost Switch

Input/Output

On/Off

Off

Liftgate Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Defog Relay Voltage

Data

Volts

12.5

Rear Defog Requested

Data

Yes/No

No