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

Accessory Switch

Inputs

On, Off

On

Base Model Part Number

Module Information 1

4 Digits

****

Battery Voltage

Data

Volts

13.5

End Model Part Number

Module Information 1

4 Digits

****

Ignition Run Start Relay

Inputs

On, Off

On

Ignition RUN Start Switch

Inputs

On, Off

On

Key in Ignition

Inputs

Active, Inactive

Active

Last Four Digits of SDM Part Number

Module information 2

4 Digits

****

LF Door Ajar Switch

Inputs

Open, Closed

Closed

Left Rear Door Ajar Sw.

Inputs

Open, Closed

Closed

Ignition Power Relay

Outputs

Active, Inactive

Active

RAP Relay

Outputs

Active, Inactive

Active

RF Door Ajar Switch

Inputs

Open, Closed

Closed

Right Rear Door Ajar Sw.

Inputs

Open, Closed

Closed

Software Release , Day

Module Information 1

2 Digits

**

Software Release , Month

Module Information 1

2 Digits

**

Software Revision Number

Module Information 1

4 Digits

****

Software Release , Year

Module Information 1

2 Digits

**

VIN Number

VIN Information

Alphanumeric VIN Number

****************

Starter Switch

Inputs

On, Off

Off