GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Door Module (DDM)
Table 2: Driver Door Switch Assembly (DDSA)
Table 3: Instrument Panel Module (IPM)
Table 4: Left Rear Door Module (LRDM)
Table 5: Passenger Door Module (PDM)
Table 6: Rear Integration Module (RIM)
Table 7: Right Rear Door Module (RRDM)

Driver Door Module (DDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Battery power is the only requirement for Module Information, Inputs and Lock Outputs. Key ON is required for window outputs.

8 Digit GM Part Number

ECU Identification Information

Number

Varies

Battery Voltage Signal

Data

9-15 Volts

12.8 Volts

Component Serial No. 13-16

ECU Identification Information

Number

13-16th digit

Deadbolt Actuator Command

Data

Idle/Unlock/Lock/Invalid

Idle

Door Ajar Switch

Data

Door Closed/Door Ajar

Door Closed

Door Cylinder Switch

Data

Idle/Unlock/Lock/Invalid

Idle

Door Open Switch

Data

Closed/Open

Closed

Driver Door Handle

Data

Inactive/Active

Inactive

Door Switch Backlight Command

Data

%

Varies

Julian Date of Build

ECU Identification Information

Number

Varies

LF Latch Solenoid Command

Data

Inactive/Active

Inactive

Lock Indicator Command

Data

%

Varies

Lock Switch Indicator Command

Data

Off/On

Off

VIN Learned

VIN Information

Yes/No

Yes

VIN Message Received

VIN Information

Yes/No

Yes

Year Model Built

ECU Identification Information

Number

Varies

Driver Door Switch Assembly (DDSA)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Battery power is the only requirement for Module Information, Inputs and Lock Outputs. Key ON is required for window outputs.

8 Digit GM Part Number

ECU Identification Information

Number

Varies

Battery Voltage Signal

Data

9-15 Volts

12.8 Volts

Component Serial No. 13-16

ECU Identification Information

Number

13-16th digit

Door Lock Switch

Data

Idle/Lock/Unlock/Invalid

Idle

Julian Date of Build

ECU Identification Information

Number

Varies

Trunk Release Switch

Data

Inactive/Active

Inactive

Window Lockout Switch Indicator Command

Data

Inactive/Active

Inactive

Window Lockout Switch

Data

Off/On

Off

Year Module Built

ECU Identification Information

Number

Varies

Instrument Panel Module (IPM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Vehicle in PARK

Trunk Release Switch

Non-HVAC

ON/OFF

OFF

Left Rear Door Module (LRDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Battery power is the only requirement for Module Information, Inputs and Lock Outputs. Key ON is required for window outputs.

8 Digit GM Part Number

ECU Identification Information

Number

Varies

Battery Voltage Signal

Data

9-15 Volts

12.8 Volts

Component Serial No. 13-16

ECU Identification Information

Number

13-16th digit

Deadbolt Actuator Command

Data

Idle/Unlock/Lock/Invalid

Idle

Door Ajar Switch

Data

Door Closed/Door Ajar

Door Closed

Door Lock Actuator Cmd.

Data

Idle/Lock/Unlock

Idle

Door Open Switch

Data

Closed/Open

Closed

Door Switch Backlight Command

Data

%

Varies

Julian Date of Build

ECU Identification Information

Number

Varies

VIN Learned

VIN Information

Yes/No

Yes

VIN Message Received

VIN Information

Yes/No

Yes

Year Module Built

ECU Identification Information

Number

Varies

Passenger Door Module (PDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Battery power is the only requirement for Module Information, Inputs and Lock Outputs. Key ON is required for window outputs.

8 Digit GM Part Number

ECU Identification Information

Number

Varies

Battery Voltage Signal

Data

9-15 Volts

12.8 Volts

Component Serial No. 13-16

ECU Identification Information

Number

13-16th digit

Deadbolt Actuator Command

Data

Idle/Unlock/Lock/Invalid

Idle

Door Ajar Switch

Data

Door Closed/Door Ajar

Door Closed

Door Lock Switch

Data

Idle/Lock/Unlock/Invalid

Idle

Door Open Switch

Data

Closed/Open

Closed

Door Switch Backlight Command

Data

%

Varies

Lock Indicator Command

Data

%

Varies

Lock Switch Indicator Command

Data

Off/On

Off

Passenger Door Handle

Data

Inactive/Active

Inactive

Julian Date of Build

ECU Identification Information

Number

Varies

RF Latch Solenoid Command

Data

Inactive/Active

Inactive

VIN Learned

VIN Information

Yes/No

Yes

VIN Message Received

VIN Information

Yes/No

Yes

Year Module Built

ECU Identification Information

Number

Varies

Rear Integration Module (RIM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF/Vehicle in PARK

Fuel Door Lock Relay

Outputs

ON/OFF

OFF

Fuel Door Unlock Relay

Outputs

ON/OFF

OFF

Trunk Ajar Switch

Inputs

ON/OFF

OFF

Trunk Release Output

Outputs

ON/OFF

OFF

Right Rear Door Module (RRDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Battery power is the only requirement for Module Information, Inputs and Lock Outputs. Key ON is required for window outputs.

8 Digit GM Part Number

ECU Identification Information

Number

Varies

Battery Voltage Signal

Data

9-15 Volts

12.8 Volts

Component Serial No. 13-16

ECU Identification Information

Number

13-16th digit

Deadbolt Actuator Command

Data

Idle/Lock/Unlock/Invalid

Idle

Door Ajar Switch

Data

Door Closed/Door Ajar

Door Closed

Door Lock Actuator Cmd.

Data

Idle/Lock/Unlock/Invalid

Idle

Door Open Switch

Data

Closed/Open

Closed

Door Switch Backlight Command

Data

%

Varies

Julian Date of Build

ECU Identification Information

Number

Varies

VIN Learned

VIN Information

Yes/No

Yes

VIN Message Received

VIN Information

Yes/No

Yes

Year Module Built

ECU Identification Information

Number

Varies