GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: BCM powered and communicating with the scan tool.

Software Part Number

Module Information

8 digits

XXXXXXXX

Accessory 1

Inputs

Active, Inactive

Active

Auto. Learn Timer

Security Data

Seconds

0 - 2550 (10 Sec resolution)

Battery Power 1

Data

Volts

12.5

Battery Power 2

Inputs

Active, Inactive

Active

Battery Power 3

Inputs

Active, Inactive

Active

Backup Lamp Relay

Output

Active, Inactive

Inactive

Courtesy Switch

Inputs

Active, Inactive

Inactive

Courtesy Ground

Inputs

Active, Inactive

Active

Crank

Inputs

Active, Inactive

Inactive

Door Jamb Switch

Inputs

Active, Inactive

Inactive

Door Lock Switch

Inputs

Active, Inactive

Inactive

Door Lock Output

Outputs

Active, Inactive

Inactive

Door Unlock Switch

Inputs

Active, Inactive

Inactive

Door Unlock Output

Outputs

Active, Inactive

Inactive

Driver Door Switch

Inputs

Open, Closed

Closed

Driver Unlock Output

Outputs

Active, Inactive

Inactive

Fog Lamp Feedback

Data

Volts

12.5

Front Fog Lamp Switch

Inputs

Active, Inactive

Inactive

Ground 2

Outputs

Active, Inactive

Inactive

Headlamp Switch

Inputs

Active, Inactive

Inactive

His. DTC Cyc. Counts

Security Data

Counts

xxxx

Horn Output

Outputs

Active, Inactive

Inactive

Ignition 0

Inputs

On, Off

On

Ignition 1

Inputs

On, Off

On

Inadvert. Power Output

Inputs

Active, Inactive

Inactive

Inadvert. Power Output

Outputs

Active, Inactive

Active

Key In Ignition

Inputs

Active, Inactive

Inactive

LCM Lights on Chime

Outputs

Active, Inactive

Inactive

Lock-out Timer

Security Data

Seconds

0 - 2550 (10 Sec resolution)

Low Tire Reset

Inputs

Active, Inactive

Inactive

Park Brake Switch

Inputs

On, Off

Off

Passkey Data Voltage

Security Data

Volts

0 - 5

RAP Output

Outputs

Active, Inactive

Active

Rear Fog Lamp Relay

Outputs

Active, Inactive

Inactive

Rear Fog Lamp Switch

Inputs

Active, Inactive

Inactive

RFA

Inputs

Active, Inactive

Inactive

RFA

Outputs

Active, Inactive

Inactive

Seat Belt Status

Inputs

On, Off

Off

Security Lamp State

Security Data

On, Off, Flashing

Off

Seed and Key Timer

Security Data

Seconds

0 - 2550 (10 Sec resolution)

TCS Switch

Inputs

Active, Inactive

Inactive

Theater Dimming #1

Outputs

Active, Inactive

Inactive

Theater Dimming #2

Outputs

Active, Inactive

Inactive

Theft Data

Data

Volts

0 - 5

Trunk Ajar Switch

Inputs

Active, Inactive

Inactive

Trunk Release Output

Outputs

Active, Inactive

Inactive