GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 4WD 🢒 Suspension 🢒 Electronic Suspension Control 🢒 Electronic Suspension Control Schematics
Figure 1:

Module Power, Ground, and Serial Data
Object Number: 1907192 Size: FS
Master Electrical Component List
Electronic Suspension Control Description and Operation
Control Module References
Position Sensors and Solenoids
AMP, ELEC RUN BOARD, ESC/ALC EXH, EXP/BRK MDL, and TREC Fuses
Serial Data Communication Enable and Wake-up Circuits
G400
HIgh Speed Bus - 2 of 2
Figure 2:

Position Sensors and Solenoids
Object Number: 1907195 Size: FS
Master Electrical Component List
Electronic Suspension Control Description and Operation
Control Module References
Module Power, Ground, and Serial Data