GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module (BCM)
Table 2: Remote Control Door Lock Receiver (RCDLR)

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Door Ajar Switch

Keyless Data

Door Closed/Door Ajar

Door Closed

Door Lock Switch

Keyless Data

Volts

Varies

Door Lock Switch

Keyless Data

Lock/Unlock/Idle

Unlock

Driver Door Ajar Sw.

Keyless Data

Door Closed/Door Ajar

Door Closed

Driver Door Lock Acutator Command

Keyless Data

Lock/Unlock/Idle/Invalid

Unlock

Passenger Doors Lock Actuator Command

Keyless Data

Lock/Unlock/Idle/Invalid

Unlock

Trunk Ajar Switch

Keyless Data

Trunk Closed/Trunk Ajar

Trunk Closed

Trunk Motor

Keyless Data

Off/On

Off

Trunk Release Solenoid Command

Keyless Data

Off/On

Off

Trunk Release Switch

Keyless Data

Inactive/Active

Inactive

Remote Control Door Lock Receiver (RCDLR)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Fob 1 Programmed

Key FOB Information

Yes/No

Varies

Fob 1 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 1 Battery

Key FOB Information

OK/Low

OK

Fob 2 Programmed

Key FOB Information

Yes/No

Varies

Fob 2 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 2 Battery

Key FOB Information

OK/Low

OK

Fob 3 Programmed

Key FOB Information

Yes/No

Varies

Fob 3 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 3 Battery

Key FOB Information

OK/Low

OK

Fob 4 Programmed

Key FOB Information

Yes/No

Varies

Fob 4 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 4 Battery

Key FOB Information

OK/Low

OK

Last Fob Used

Key FOB Information

None/ Fob 1/ Fob 2/ Fob 3/ Fob 4/ Fob 5

Varies

Table 1: Body Control Module (BCM)
Table 2: Remote Control Door Lock Receiver (RCDLR)

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Door Ajar Switch

Keyless Data

Door Closed/Door Ajar

Door Closed

Door Lock Switch

Keyless Data

Volts

Varies

Door Lock Switch

Keyless Data

Lock/Unlock/Idle

Unlock

Driver Door Ajar Sw.

Keyless Data

Door Closed/Door Ajar

Door Closed

Driver Door Lock Acutator Command

Keyless Data

Lock/Unlock/Idle/Invalid

Unlock

Passenger Doors Lock Actuator Command

Keyless Data

Lock/Unlock/Idle/Invalid

Unlock

Trunk Ajar Switch

Keyless Data

Trunk Closed/Trunk Ajar

Trunk Closed

Trunk Motor

Keyless Data

Off/On

Off

Trunk Release Solenoid Command

Keyless Data

Off/On

Off

Trunk Release Switch

Keyless Data

Inactive/Active

Inactive

Remote Control Door Lock Receiver (RCDLR)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF.

Fob 1 Programmed

Key FOB Information

Yes/No

Varies

Fob 1 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 1 Battery

Key FOB Information

OK/Low

OK

Fob 2 Programmed

Key FOB Information

Yes/No

Varies

Fob 2 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 2 Battery

Key FOB Information

OK/Low

OK

Fob 3 Programmed

Key FOB Information

Yes/No

Varies

Fob 3 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 3 Battery

Key FOB Information

OK/Low

OK

Fob 4 Programmed

Key FOB Information

Yes/No

Varies

Fob 4 Function

Key FOB Information

None/Lock/Dr Door Unlock/All Door Unlock/R Closure Rel./Lt Sliding Ctrl/Rt Sliding Ctrl/Panic/Fuel Door/Power Window/Power Top/Engine Start/Engine Stop/Fob Program/Locate/R Closure Close/R Closure Open/Double Lock/R Closure Stop/R Closure Start/Lt Sliding Stop

Varies

Fob 4 Battery

Key FOB Information

OK/Low

OK

Last Fob Used

Key FOB Information

None/ Fob 1/ Fob 2/ Fob 3/ Fob 4/ Fob 5

Varies