GM Service Manual Online
For 1990-2009 cars only
Table 1: Roof and Door Module (RDM)
Table 2: Body Control Module

Roof and Door Module (RDM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Vehicle in PARK, Folding Top, Windows and Doors Closed

8 Digit GM Part Number

ID Information

Numeric

XXXXXXXX

Battery Voltage Signal 1

Data

Volts

B+

Battery Voltage Signal 2

Data

Volts

B+

Driver Door Ajar Switch

Inputs

Active/Inactive

Inactive

Driver Door Handle

Inputs

Active/Inactive

Inactive

Driver Door Latch Lock Switch

Inputs

Yes/No

No

Driver Window Bottom Position

Inputs

Learned/Not Learned

Learned

Driver Window Indexed

Inputs

Yes / No

No

Driver Window Motor

Data

amps

Varies

Driver Window Motor Command

Outputs

Up/Down/Idle

Idle

Driver Window Position

Inputs

Counts

Varies

Driver Window Switch

Inputs

Up/Down/Idle

Idle

Driver Window Top Position

Inputs

Learned / Not Learned

Learned

Ignition On

Data

Yes/No

Yes

Ignition Voltage Signal

Data

Volts

Varies

Julian Date of Build

ID Information

ID Information

XXXX

Left Front Window Status

Inputs

Idle/Active/Stalled

Idle

Passenger Door Ajar Switch

Inputs

Active/Inactive

Inactive

Passenger Door Handle

Inputs

Active/Inactive

Inactive

Passenger Door Latch Lock Switch

Inputs

Yes/No

No

Passenger Window Bottom Position

Inputs

Learned / Not Learned

Learned

Passenger Window Indexed

Inputs

Yes / No

No

Passenger Window Motor

Data

amps

Varies

Passenger Window Motor Command

Outputs

Up/Down/Idle

Idle

Passenger Window Position

Inputs

Counts

varies

Passenger Window Position Status

Inputs

Idle / Active / Stalled / Bottom

Idle

Passenger Window Switch

Inputs

Up/Down/Idle

Idle

Passenger Window Top Position

Inputs

Learned / Not Learned

Learned

Software Part Number

ID Information

ID Information

XXXX

Year Module Built

ID Information

Numerical

XXXX

Body Control Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Vehicle in PARK, Doors Closed

Battery Voltage

Data

Volts

Battery Voltage

Driver Door Ajar Switch

Inputs

Active/Inactive

Inactive

Door Lock Relay

Outputs

On/Off

Off

Door Lock Switch

Inputs

On/Off

Off

Door Unlock Switch

Inputs

On/Off

Off

Driver Door Unlock Relay

Outputs

On/Off

Off

GM Part number

ID Information

Numeric

15XXXXXX

Passenger Door Ajar Switch

Inputs

On/Off

Off