GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Rear Parking Assist (RPA) Module Power and Ground


Object Number: 1500951  Size: FS
Master Electrical Component List
Object Detection Description and Operation
Control Module References
Object Sensors
ABS, AWD, ELEC ENG, EMS DEV, O2 SENSORS Fuses, and IGNITION Relay - 3.4L
BTSI (3.4L), CRUISE, IGN 1 MAIN, and TRN SIG Fuses
IGN3HVAC Fuse
IGN3HVAC Fuse
IGN3HVAC Fuse
IGN3HVAC Fuse
ABS, AWD, ELEC ENG, EMS DEV, O2 SENSORS Fuses, and IGNITION Relay - 3.4L
Data Link Connector (DLC)
Inside Rearview Mirror Schematics
G200
G200
Gages - 3.4L
G401
G401
G401
Figure 2:

Object Sensors


Object Number: 1500953  Size: FS
Master Electrical Component List
Object Detection Description and Operation
Control Module References
RPA Module Power and Ground