GM Service Manual Online
For 1990-2009 cars only
Table 1: DDM
Table 2: ECM
Table 3: IPM
Table 4: LRDM
Table 5: PDM
Table 6: RCDLR
Table 7: RIM
Table 8: RRDM

DDM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Door Ajar Switch

Data

Door Closed/Door Ajar

Door Closed

VIN Learned

VIN Information

Yes/No

Yes

VIM Message Received

VIN Information

Yes/No

Yes

ECM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

VTD Password Learn Enabled

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

Data

Active/Inactive

Inactive

VTD Auto. Learn Timer

Data

Active/Inactive

Inactive

VTD Fuel Disable Until Ign. Off

Data

Yes/No

No

IPM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Valet Switch

Inputs

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/Door Ajar

Door Closed

VIN Learned

VIN Information

Yes/No

Yes

VIN Message 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/Door Ajar

Door Closed

VIN Learned

VIN Information

Yes/No

Yes

VIN Message Received

VIN Information

Yes/No

Yes

RCDLR

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Battery Reconnect

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

Temper Flag

Substitution Detection

On/Off

Off

Valid RCDLR VIN

Substitution Detection

Yes/No

No

RIM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

CTD Status

Theft Information

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

Disabled

Hood Closed Switch

Inputs

Active/Inactive

Active

Hood Open Switch

Inputs

Active/Inactive

Inactive

Inclination Sensor

Inputs

Active/Inactive

Inactive

Inclination Sensor Status

Theft Information

Valid/Invalid

Valid

Inclination Sensor Enable

Theft Information

Yes/No

No

Intrusion Sensor

Inputs

Active/Inactive

Inactive

Intrusion Sensor Status

Theft Information

Valid/Invalid

Valid

Intrusion Sensor Enable

Theft Information

Yes/No

No

Rear Compartment Lid Ajar

Inputs

Closed/Ajar

Ajar

Theft Deterrent Alarm Status

Theft Information

Disarm/Armed/Blip/Alarm

Disarm

Triggers Per Theft Cycle

Theft Information

Numeric

Varies

Hood Ajar

Alarm Trigger

Yes/No

No

Rear Compartment Lid Ajar

Alarm Trigger

Yes/No

No

Battery Disconnect

Alarm Trigger

Yes/No

No

Left Front Door Open Sw.

Alarm Trigger

Yes/No

No

Right Front Door Open Sw.

Alarm Trigger

Yes/No

No

Left Rear Door Jamb Sw.

Alarm Trigger

Yes/No

No

Right Rear Door Jamb Sw.

Alarm Trigger

Yes/No

No

Intrusion Sensor

Alarm Trigger

Yes/No

No

Inclination Sensor

Alarm Trigger

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/Door Ajar

Door Closed

VIN Learned

VIN Information

Yes/No

Yes

VIN Message Received

VIN Information

Yes/No

Yes