GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Door Module (DDM)
Table 2: ECM - 4.6L (LH2), 3.6L (LY7)
Table 3: IPM
Table 4: LRDM
Table 5: PDM
Table 6: RCDLR
Table 7: Rear Integration Module (RIM)
Table 8: RRDM

Driver Door Module (DDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Door Ajar Switch

Data

Door Closed/Ajar

Door Closed

VIN Learned

VIN Information

Yes/No

Yes

VIN Information Received

VIN Information

Yes/No

Yes


ECM - 4.6L (LH2), 3.6L (LY7)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

VTD Password Learn Enabled

Electrical/Theft Data

Yes/No

No

Vehicle Security Status

Data

Fuel Continue/Fuel Lockout/Fuel Disabled/Learn Timer Active/Fail Enable/Learn Enable

Fuel Continue

VTD Fuel Disable

Electrical/Theft Data

Active/Inactive

Inactive

Automatic VTD Learn Timer

Electrical/Theft Data

Active/Inactive

Inactive

VTD Fuel Disable Until Ignition Off

Electrical/Theft Data

Yes/No

No

VTD Fuel Enabled

Electrical/Theft Data

Yes/No

No

ECM in VTD Fail Enable

Electrical/Theft Data

Yes/No

No


IPM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Valet Switch

Input Signal

Active/Inactive

Inactive


LRDM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Door Ajar Switch

Data

Door Closed/Ajar

Door Closed

Learned VIN

VIN Information

Yes/No

Yes

VIN Information Received

VIN Information

Yes/No

Yes


PDM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Door Ajar Switch

Data

Door Closed/Ajar

Door Closed

Learned VIN

VIN Information

Yes/No

Yes

VIN Information Received

VIN Information

Yes/No

Yes


RCDLR

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Battery Reconnected

Substitution Detection

Yes/No

No

DDM Substitution

Substitution Detection

Unknown/Yes/No

No

DPM Substitution

Substitution Detection

Unknown/Yes/No

No

IPC Substitution

Substitution Detection

Unknown/Yes/No

No

LRDM Substitution

Substitution Detection

Unknown/Yes/No

No

PDM Substitution

Substitution Detection

Unknown/Yes/No

No

RIM Substitution

Substitution Detection

Unknown/Yes/No

No

RRDM Substitution

Substitution Detection

Unknown/Yes/No

No

Substitution Detection Status

Substitution Detection

Pass/Fail

Pass

Backfire Signal

Substitution Detection

On/Off

Off

Valid RCDLR VIN

Substitution Detection

Yes/No

No


Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

CTD Status

CTD: Information

Disabled/Disarmed/Alarm Inhibit/Arming/Armed/Alarm

Disabled

Hood Closed Switch

Input Signal

Active/Inactive

Active

Hood Open Switch

Input Signal

Active/Inactive

Inactive

Tilt Sensor

Input Signal

Active/Inactive

Inactive

Tilt Sensor Status

CTD: Information

Valid/Invalid

Valid

Tilt Sensor Enable

CTD: Information

Yes/No

No

Intrusion Sensor

Input Signal

Active/Inactive

Inactive

Intrusion Sensor Status

CTD: Information

Valid/Invalid

Valid

Intrusion Sensor Enable

CTD: Information

Yes/No

No

Trunk Lid Ajar

Input Signal

Closed/Ajar

Ajar

Anti-theft Alarm Status

CTD: Information

Disarm/Armed/Blip/Alarm

Removal

Triggers Per Theft Cycle

CTD: Information

Number

Varies

Engine Hood Ajar

Alarm Triggers

Yes/No

No

Trunk Lid Ajar

Alarm Triggers

Yes/No

No

Battery Disconnected

Alarm Triggers

Yes/No

No

Left Front Door Ajar Switch

Alarm Triggers

Yes/No

No

Right Front Door Ajar Switch

Alarm Triggers

Yes/No

No

Door Jamb Switch - Left Rear

Alarm Triggers

Yes/No

No

Door Jamb Switch - Right Rear

Alarm Triggers

Yes/No

No

Intrusion Sensor

Alarm Triggers

Yes/No

No

Tilt Sensor

Alarm Triggers

Yes/No

No


RRDM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Door Ajar Switch

Data

Door Closed/Ajar

Door Closed

Learned VIN

VIN Information

Yes/No

Yes

VIN Information Received

VIN Information

Yes/No

Yes