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 with engine OFF

Battery Voltage

Data

Volts

12.5

RAP Timer

Data

Seconds

1198 Seconds

Driver Door Jamb Sw.

Input 1

Active/Inactive

Inactive

Ignition 1

Input 1

Active/Inactive

Active

Ignition 3

Input 1

Active/Inactive

Active

Ignition Power Mode

Input 1

Off/Unknown/Run/Crank

Run

Key in Ignition

Input 1

Yes/No

Yes

Liftglass/Rear Gate

Input 1

Closed/Open

Closed

Psgr. Door Jamb/Door Handle Switches

Input 1

Active/Inactive

Inactive

RAP Relay Feedback

Input 1

On/Off

Off

Rear Door Ajar

Input 1

Active/Inactive

Inactive

RAP Relay

Outputs

On/Off

Off

Manufacturers Enable Counter

Module Information 1

0-255

0

Software Design Suffix

Module Information 1

Two Letters

Varies

Software Part Number

Module Information 1

Numeric

Varies

RAP Calibration Number

Module Information 2

Numeric

Varies

RAP Suffix

Module Information 2

Two Letters

Varies

Module Part Number

Module Information 3

Numeric

Varies