GM Service Manual Online
For 1990-2009 cars only

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Julian Date

Module Information 1

Numeric

Varies

Manufacturers Enable Counter

Module Information 1

0-255

0

Module Part Number

Module Information 1

Numeric

Varies

Software Design Suffix

Module Information 1

Two Letters

Varies

Software Part Number

Module Information 1

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Ignition 1

Input 1

ACTIVE/INACTIVE

ACTIVE

Ignition 3

Input 1

ACTIVE/INACTIVE

ACTIVE

Ignition Power Mode

Input 1

OFF/RUN/CRANK

RUN

Key in Ignition

Input 1

YES/NO

YES