Home >> Mazda >> 2017 >> CX-9 Touring, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> On-Board Diagnostic - Laser Sensor >> DTC U0001-00; U0100-00; U0121-00; U0131-00; U0155-00 Can Line Open Or Short Circuit Detected >> Diagnostic Procedure