GM Service Manual Online
For 1990-2009 cars only
Table 1: Drivers Door Module (DDM)
Table 2: Instrument Panel Cluster (IPC)
Table 3: Powertrain Control Module (PCM)
Table 4: Rear Integration Module (RIM)
Table 5: Vehicle Theft Deterrent (VTD)

Drivers Door Module (DDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Igntion ON, Engine OFF

Driver Door Cylinder Sw.

Inputs

Idle/Unlock

Idle

Driver Door Jamb Sw.

Inputs

On/Off

Off

Left Rear Door Jamb Sw.

Inputs

On/Off

Off

Pass Door Cylinder Sw.

Inputs

Idle/Unlock

Idle

Pass Door Jamb Sw.

Inputs

On/Off

Off

Rt. Rear Door Jamb Sw.

Inputs

On/Off

Off

Instrument Panel Cluster (IPC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Security Lamp

Outputs

On/Off

Off

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: 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

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition OFF, all doors and compartments closed

Important: The Content Theft Deterrent System must be in the ARMED mode in order for the door jamb switch parameters in the Theft Information data list to change state.

Battery Reconnect

Theft Information

On/Off

Off

CTD State

Theft Information

Standby/Open/Ignition 1/Locked/Ignition & Door/Arm Pending/Armed/Alarm

Standby

Driver Door Jamb Sw.

Theft Information

On/Off

Off

Left Rear Door Jamb Sw.

Theft Information

On/Off

Off

Pass. Door Jamb Sw.

Theft Information

On/Off

Off

Power Mode Change

Theft Information

On/Off

Off

Rt. Rear Door Jamb Sw.

Theft Information

On/Off

Off

Vehicle Theft Deterrent (VTD)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

8 Digit GM Part Number

Module Information

Numeric

Varies

Auto Learn Timer

Data

Minutes

0-10

Calibration ID

Module Information

Numeric

Varies

Ignition Counter

Data

Counts

Varies

Julian Date of Built

Module Information

Numeric

Varies

Manufacturers Enable Counter

Data

Counts

0

No. of Learned Key Codes

Data

Counts

4

PROM ID

Module Information

Numeric

Varies

Security Lamp Status

Inputs

On/Off

Off

Seed and Key Timer

Data

Minutes

0-10

Sarter Relay Status

Inputs

On/Off

Off

VTD States

Inputs

Ignition Off/Normal Decision/Learn First key/Tamper/Monitor Key/Fail Enable/Learn More Keys/Seedkey Lrn Pend/Seedkey Learn/Auto Learn Pend/Auto Learn/Wakeup/No Coded Key/Check Second Key/Auto Lrn Done

Monitor Key

Year Module Built

Module Information

Year

Varies