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

On/Off

Off

Battery Power 2

Inputs

Present/Not Present

Present

Battery Power 3

Inputs

Present/Not Present

Present

Battery Voltage

Data

Volts

12.5

Courtesy Ground

Input

Present/Not Present

Present

Crank

Input

Yes/No

No

Ground 2

Outputs

Active/Inactive

Inactive

Ignition 0

Inputs

On/Off

Off

Ignition 1

Inputs

On/Off

Off

Key In Ignition

Inputs

Yes/No

Yes