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

Rear Object Sensor Control Module Power, Ground


Object Number: 576401  Size: FS
Rear Parking Assist Components
Rear Parking Assist Description
Object Sensors
IGN 1 Relay and SIR, Vent SOL, IGN 1 Fuses
NSBU, F/PMP, CVRTD and BODY Fuses
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Backup Lights Schematics
IGN 1 Relay and SIR, Vent SOL, IGN 1 Fuses
Cruise Control Module
Backup Lights Schematics
Figure 2:

Object Sensors


Object Number: 576403  Size: FS
Rear Parking Assist Components
Rear Parking Assist Description
Rear Object Sensor Control Module Power, Ground
Handling ESD Sensitive Parts Notice