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

Door Cylinder Switch

Data

Idle/Unlock/Lock/Invalid

Idle

Driver Door Handle

Data

Active/Inactive

Inactive

IPM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Remote Start Attempts

Remote Start

Counts

Varies

Remote Start Equipped

Remote Start

Enabled/Disabled

Enabled

Remote Starts Remaining

Remote Start

Counts

Varies

Remote Start Request

Remote Start

Yes/No

No

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

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

Passenger Door Handle

Data

Active/Inactive

Inactive

RCDLR

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Active Antenna Authenticated

Antenna Data

Yes/No

Yes

Active Antenna -- Fob 1

Antenna Data

Present/Not Present

Varies

Active Antenna -- Fob 2

Antenna Data

Present/Not Present

Varies

Active Antenna -- Fob 3

Antenna Data

Present/Not Present

Varies

Active Antenna -- Fob 4

Antenna Data

Present/Not Present

Varies

Auto. Door Unlock Status

Personalization

Disabled/Driver Door/All Door Unlock

Driver Door

Auto. Door Unlock Trigger

Personalization

Park/Key Off/Key Out

Park

Battery Voltage Signal

Data

Volts

12.6

Console Antenna Authenticated

Antenna Data

Yes/No

Yes

Console Antenna -- Fob 1

Antenna Data

Present/Not Present

Varies

Console Antenna -- Fob 2

Antenna Data

Present/Not Present

Varies

Console Antenna -- Fob 3

Antenna Data

Present/Not Present

Varies

Console Antenna -- Fob 4

Antenna Data

Present/Not Present

Varies

Delayed Locking Status

Personalization

Disabled/Enabled

Enabled

Ext. Driver Door Handle Switch

Miscellaneous Data

Active/Inactive

Inactive

Ext. Psgr. Door Handle Switch

Miscellaneous Data

Active/Inactive

Inactive

Ignition Mode Switch

Data

Idle/Crank/Accy/Off

Off

Fob 1 Key Pressed

Key FOB Information

No Key Press/Lock/Unlock/Remote Start/Trunk/Panic

Varies

Fob 1 Programmed

Key FOB Information

Yes/No

Yes

Fob 2 Key Pressed

Key FOB Information

No Key Press/Lock/Unlock/Remote Start/Trunk/Panic

Varies

Fob 2 Programmed

Key FOB Information

Yes/No

Yes

Fob 3 Key Pressed

Key FOB Information

No Key Press/Lock/Unlock/Remote Start/Trunk/Panic

Varies

Fob 3 Programmed

Key FOB Information

Yes/No

Varies

Fob 4 Key Pressed

Key FOB Information

No Key Press/Lock/Unlock/Remote Start/Trunk/Panic

Varies

Fob 4 Programmed

Key FOB Information

Yes/No

Varies

Headliner Antenna Authenticated

Antenna Data

Yes/No

No

Headliner Antenna -- Fob 1

Antenna Data

Present/Not Present

Varies

Headliner Antenna -- Fob 2

Antenna Data

Present/Not Present

Varies

Headliner Antenna -- Fob 3

Antenna Data

Present/Not Present

Varies

Headliner Antenna -- Fob 4

Antenna Data

Present/Not Present

Varies

Key Fob in Vehicle

Key FOB Information

None/Fob 1/Fob 2/Fob 3/Fob 4

Varies

Key Fob in Veh. Warning

Personalization

On/Off

On

Last Key Fob Used

Key FOB Information

None/Fob 1/Fob 2/Fob 3/Fob 4

Varies

Left Door Handle Antenna Authenticated

Antenna Data

Yes/No

Yes

Left Door Handle Antenna -- Fob 1

Antenna Data

Present/Not Present

Varies

Left Door Handle Antenna -- Fob 2

Antenna Data

Present/Not Present

Varies

Left Door Handle Antenna -- Fob 3

Antenna Data

Present/Not Present

Varies

Left Door Handle Antenna -- Fob 4

Antenna Data

Present/Not Present

Varies

No. of Fob's Programmed

Key FOB Information

0,1,2,3,4

2

Passive Door Lock Status

Personalization

Disabled/Enabled

Enabled

Passive Door Unlock Status

Personalization

Disabled/Authenticated Dr./Driver+Passanger/All Door Unlock

Varies

Personalization Status

Personalization

Disabled/Enabled

Enabled

Rear Fascia Antenna Authenticated

Antenna Data

Yes/No

Yes

Rear Fascia Antenna -- Fob 1

Antenna Data

Present/Not Present

Varies

Rear Fascia Antenna -- Fob 2

Antenna Data

Present/Not Present

Varies

Rear Fascia Antenna -- Fob 3

Antenna Data

Present/Not Present

Varies

Rear Fascia Antenna -- Fob 4

Antenna Data

Present/Not Present

Varies

Right Door Handle Antenna Authenticated

Antenna Data

Yes/No

Yes

Right Door Handle Antenna -- Fob 1

Antenna Data

Present/Not Present

Varies

Right Door Handle Antenna -- Fob 2

Antenna Data

Present/Not Present

Varies

Right Door Handle Antenna -- Fob 3

Antenna Data

Present/Not Present

Varies

Right Door Handle Antenna -- Fob 4

Antenna Data

Present/Not Present

Varies

Secure Vehicle Control

Personalization

Disabled/Enabled

Enabled

Trunk Release Switch

Miscellaneous Data

Active/Inactive

Inactive

RIM

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Hood Closed Switch

Inputs

Active/Inactive

Active

Hood Open Switch

Inputs

Active/Inactive

Inactive

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