GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

BCM Scan Tool Data List

Operating Conditions: Ignition ON, Engine OFF

Battery Voltage

Data

Volts

12.5

SWC Switch Voltage

Data

Volts

0

8 Digit GM Part Number

ID information

8 digits

xxxxxxxx

Julian Date of Build

ID Information

3 digits

xxx

Year Module Built

ID information

4 digits

xxxx

Driver Door Ajar Switch w/o DDM

Inputs

On/Off

Off

Ignition 0

Inputs

On/Off

On

Ignition 1

Inputs

On/Off

On

Ignition Accessory

Inputs

Active/Inactive

Active

Key in Ignition

Inputs

Yes/No

Yes

Left Rear/RearCargo Door Ajar Switch

Inputs

On/Off

Off

Passenger Door Ajar Switch w/o PDM

Inputs

On/Off

Off

Right Rear Door Ajar Sw.

Inputs

On/Off

Off

RAP Relay

Outputs

On/Off

On

SWC Switch Power

Outputs

On/Off

On

DDM/FPDM Scan Tool Data List

Operating Conditions: Ignition ON, Engine OFF

Door Ajar Switch

Inputs

On/Off

Off