GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 CTS 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Object Detection Schematics
Figure 1:

UD7
Object Number: 1923241 Size: FS
Master Electrical Component List
Control Module References
Object Detection Description and Operation Rear Parking Assist
Pedestrian Impact Detection System (B3T)
Figure 2:

Pedestrian Impact Detection System B3T
Object Number: 1925975 Size: FS
Master Electrical Component List
Object Detection Description and Operation PIDS
Control Module References
UD7