GM Service Manual Online
For 1990-2009 cars only

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF

Auxiliary Sensor

Security Data

Disarmed/Armed

Disarmed

Content Theft Deterrent

Security Data

On/Off

Off

CTD Alarm State

Security Data

Close Dr. Wait/Open Dr. Wait/Lever Active/Trigger Idle/Armed/Full Alarm

Open Dr. Wait

CTD Enable

Security Data

On/Off

Off

Driver Door Open Sw.

Inputs

Open/Closed

Closed

DRVR. Door Sensor

Security Data

Disarmed/Armed/Active/Inactive

Disarmed

Intrusion Sensor

Security Data

DRVR. ID On

DRVR. ID On

Key Cylinder Unlock

Inputs

Active/Inactive

Inactive

Key in Ignition

Inputs

Active/Inactive

Inactive

LH Lift Gate Ajar Switch

Inputs

Active/Inactive

Inactive

Liftgate Key Cyl. Unlk.

Inputs

Active/Inactive

Inactive

Liftgate Open Switch

Inputs

Active/Inactive

Inactive

Liftgate Sensor

Security Data

Disarmed/Armed/Active/Inactive/Disabled

Disarmed

Park Lamp Monitor

Inputs

Active/Inactive

Inactive

Passenger Door Open Sw.

Inputs

Open/Closed

Closed

Passenger Door Sensor

Security Data

Disarmed/Armed/Active/Inactive

Disarmed

Power Mode Sensor

Security Data

Disarmed/Armed/Active/Inactive

Disarmed

Rear Door Open Switch

Inputs

Active/Inactive

Inactive

Rear Door Sensor

Security Data

Disarmed/Armed/Active/Inactive

Disarmed

RT. and Left Glass Sen.

Security Data

Disarmed/Armed/Active/Inactive

Disarmed

Security LED

Security Data

On/Off

Off

Service Alarm Sensor

Security Data

Disarmed/Armed/Active/Inactive

Disarmed

Shock Sensor

Security Data

On/Off

Off

RH Lift Gate Ajar Switch

Inputs

Inputs

Inactive

Security LED

Security Data

On/Off

Off

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF

PCM/VCM in VTD Fail Enable

Engine Data 1

Yes/No

No

VTD Auto. Learn Timer

Engine Data 1

Active/Inactive

Inactive

VTD Fuel Disable

Engine Data 1

Active/Inactive

Inactive

VTD Fuel Disable Until Ign. Off

Engine Data 1

Yes/No

No

Vehicle Theft Deterrent

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition On, engine OFF

8 Digit GM Part Number

Module Information

Numeric

Varies

Auto Learn Timer

Data

Minutes

10:00 Min.

Calibration ID

Module Information

Numeric

Varies

Ignition Counter

Data

0-50

Varies

Julian Date of Build

Module Information

Numeric

Varies

Manufacturers Enable Counter

Data

0-255

0

No. of Learned Key Codes

Data

1-10

2

PROM ID

Module Information

Numeric

Varies

Security Lamp Status

Inputs

On/Off/Flash

Off

Seed and Key Timer

Data

Minutes

0-10

VTD States

Input

Ignition Off/Monitor Key/Learn More Keys/No Coded Key/Auto Learn Pending

Monitor Key

Year Module Built

Module Information

Numeric

Varies