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

Driver Door Module/Passenger Door Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Vehicle in PARK/All Doors Closed

Battery 1 (Low Current)

Data

Volts

12.8

Battery 2 (High Current)

Data

Volts

12.8

Boot S/W Part No.

Module Information 1

Decimal

15XXXXXX

Boot S/W Suffix

Module Information 1

ASCII

XX

Cal. Module 1 Part No.

Module Information 2

Decimal

15XXXXXX

Cal. Module 1Suffix

Module Information 2

ASCI

XX

Cal. Module 2 Part No.

Module Information 2

Decimal

15XXXXXX

Cal. Module 2 Suffix

Module Information 2

ASCII

XX

Driver LF Window Switch

Inputs

Idle, Up, Down, Express Down

Idle

Driver RF Window Switch

Inputs

Idle, Up, Down, Express Down

Idle

LR Window Switch

Inputs

Idle, Up, Down

Idle

Operational S/W Part No.

Module Information 1

Decimal

15XXXXXX

Operational S/W Suffix

Module Information 1

ASCII

XX

Psgr RF Window Switch

Inputs

Idle/Up/Down/Express Down

Idle

RR Window Switch

Inputs

Idle/Up/Down

Idle

Window Lockout Switch

Inputs

Inactive/Active

Inactive

Window Lockout LED

Outputs

On/Off

Off

Window Motor Current

Data

mA

0

Window Motor Output

Outputs

Idle/Up/Down/Express Down

Idle

Global Window Up Switch

Inputs

Inactive/Active

Inactive

Global Window Down Switch

Inputs

Inactive/Active

Inactive

Global Window Status

Outputs

Idle/Up/Down/Invalid

Idle

Body Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Vehicle in PARK/All doors closed

Battery Voltage

Data

Volts

Varies

Right Rear Window Up Relay

Outputs

Inactive/Active

Inactive

Right Rear Window Down Relay

Outputs

Inactive/Active

Inactive

Left Rear Window Up Relay

Outputs

Inactive/Active

Inactive

Left Rear Window Down Relay

Outputs

Inactive/Active

Inactive

Rear Defog Relay

Outputs

On/Off

Off

HVAC Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF

Rear Defrost Switch

Input/Output

On/Off

Off