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/Vehicle in PARK/Doors closed

Battery Voltage

Data

Volts

Varies

Door Handle Switch

Input 1

ACTIVE/INACTIVE

INACTIVE

Door Lock Relay

Outputs

ON/OFF

OFF

Door Lock Relay Feedback

Input 1

ON/OFF

OFF

Driver Door Jamb Switch

Input 1

ACTIVE/INACTIVE

INACTIVE

Driver Door Unlock Relay

Outputs

ON/OFF

OFF

Ignition 1

Input 1

ACTIVE/INACTIVE

ACTIVE

Ignition 3

Input 1

ACTIVE/INACTIVE

ACTIVE

Ignition Power Mode

Input 1

OFF/RUN/CRANK/ UNKNOWN

RUN

Julian Date of Build

Module Information 1

Numeric

Varies

Key-In-Ignition

Input 1

YES/NO

YES

Last Remote Function Actuation Command Since Wake-Up

Input 1

None/Lock/Unlock/Panic/Manual Resynch/Fob Program/Diag Acknowledge/Diag Request

Unlock

Manufacture Enable Counter

Module Information 1

0-255

0

Module Part Number

Module Information 1

Numeric

Varies

Passenger Door Unlock Input

Input 1

ACTIVE/INACTIVE

INACTIVE

Passenger Door Unlock Relay

Outputs

ON/OFF

OFF

Remote Function Actuation Message Since Wake-Up

Input 1

NONE/PANIC/Active Unlock Fob# /Active Lock/Prog Mode Cancel/Prog Successful/Prog Mode Ack/Manual Resync

Actv Unlock Fob#

Retained Accessory Power Calibration Number

Module Information 2

Numeric

Varies

Retained Accessory Power Suffix

Module Information 2

Two Letters

Varies

Security Calibration Number

Module Information 2

Numeric

Varies

Security Suffix

Module Information 2

Two Letters

Varies

Software Design Suffix

Module Information 1

Two Letters

Varies

Software Part Number

Module Information 1

Numeric

Varies

Vehicle Speed

Data

MPH/KPH

0