GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Avalanche - 4WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Wheels/Vehicle Underbody Component Views
Figure 1:

Wheel Speed Sensors (WSS)
Object Number: 2049124 Size: LF
(1)Wheel Speed Sensor (WSS) - Right Front
(2) Wheel Speed Sensor (WSS) - Right Rear
(3)Wheel Speed Sensor (WSS) - Left Rear
(4)Wheel Speed Sensor (WSS) - Left Front
Figure 2:

Front Underbody Components
Object Number: 2049206 Size: LF
(1)Suspension Damper Solenoid - Right Front (Z55)
(2)Suspension Position Sensor - Right Front (Z55)
(3)Suspension Position Sensor - Left Front (Z55)
(4)Suspension Damper Solenoid - Left Front (Z55)
(5)Front Drive Axle Actuator (NQH)
Figure 3:

Fuel Components (Short Wheel Base without HP2)
Object Number: 2049105 Size: LF
(1)Fuel Pump and Sender Assembly - Front
(2)Fuel Tank Pressure (FTP) Sensor (except HP2)
(3)Evaporative Emissions (EVAP) Canister
(4)Fuel Pump and Sender Assembly - Rear (LY6)
(5)Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
Figure 4:

Suspension Components (Z55/G69)
Object Number: 2049122 Size: LF
(1)Suspension Position Sensor - Right Rear (Z55 or G69)
(2)Suspension Damper Solenoid - Right Rear (Z55)
(3)Electronic Suspension Control (ESC) Module (Z55 or G69)
(4)Automatic Level Control (ALC) Compressor (Z55)
(5)Suspension Damper Solenoid - Left Rear (Z55)
(6)Suspension Position Sensor - Left Rear (Z55 or G69)
Figure 5:

Front Underbody Components
Object Number: 2049215 Size: LF
(1)Running Board - Left (BRS)
(2)Running Board - Right (BRS)
(3)Assist Step Control Module (BRS)
(4)Electronic Brake Control Module (EBCM)
Figure 6:

Rear Frame (Except HP2)
Object Number: 2113928 Size: LF
(1)Data Link Resistor 1
(2)Rear Frame - Short Wheelbase
(3)Rear Frame - Long Wheelbase
(4)Data Link Resistor 1
(5)Data Link Resistor 1
(6)Rear Frame - Long Wheelbase HD
Figure 7:

Rear Underbody Components
Object Number: 2112448 Size: LF
(1)Data Link Resistor 1 (HP2)
(2)Suspension Damper Solenoid - Right Rear (Z55)
(3)Wheel Speed Sensor (WSS) - Right Rear
(4)Side Object Sensor - Right (UFT)
(5)Electronic Suspension Control (ESC) Module
(6)Trailer Connector
(7)Automatic Level Control (ALC) Compressor
(8)Side Object Sensor - Left (UFT)
(9)Wheel Speed Sensor (WSS) - Left Rear
(10)Suspension Damper Solenoid - Left Rear (Z55)
(11)Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
Figure 8:

Rear Underbody Components
Object Number: 2112448 Size: LF
(1)Data Link Resistor 1 (HP2)
(2)Suspension Damper Solenoid - Right Rear (Z55)
(3)Wheel Speed Sensor (WSS) - Right Rear
(4)Side Object Sensor - Right (UFT)
(5)Electronic Suspension Control (ESC) Module
(6)Trailer Connector
(7)Automatic Level Control (ALC) Compressor
(8)Side Object Sensor - Left (UFT)
(9)Wheel Speed Sensor (WSS) - Left Rear
(10)Suspension Damper Solenoid - Left Rear (Z55)
(11)Evaporative Emissions (EVAP) Canister Vent Solenoid Valve