C0711 HUMMER – Level Control Air Pressure Sensor Malfunction Signal Invalid

C0711 HUMMER Possible Symptoms

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

C0711 HUMMER Possible Causes

Faulty Level Control Air Pressure Sensor,Level Control Air Pressure Sensor harness is open or shorted,Level Control Air Pressure Sensor circuit poor electrical connection

C0711 HUMMER Description

The Automatic Level Control (ALC) pressure sensor sends a voltage signal to the Electronic Suspension Control Module (ESCM) that corresponds to a pressure within the range of 30-180 psi.