Home >> Infiniti >> 2015 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Driver Assistance System (Wiring Diagrams, Basic Inspection, Diagnostic Trouble Codes (DTCS) Symptom Tests And R & I) >> DTC/Circuit Diagnosis >> DTC C1B20: Control Module >> Driver Assistance Buzzer Control Module >> DTC Logic >> Possible Cause