If no related DTCs are found, chances are the windshield and FSC sensor need to be cleaned.
This bulletin applies to 2018 Mazda6, 2017-2018 CX-5 and 2018 CX-9 vehicles, all equipped with MRCC Stop and Go function.
Some customers may complain about a message on the driver display “Mazda Radar Cruise Control disabled under 20 mph.” The forward sensing camera (FSC) cannot detect target objects due to dirty windshield, fogger FSC camera lens, low visibility due to rain/fog/snow, insufficient light at night. Direct or reflected sunlight on the SC, problem with the FSC, problem with the Autohold control function or problem with the electric parking brake.
Check for DTCs and address/repair as needed. If no related DTCs are present, no repairs are needed. Simply clean the windshield and front radar sensor.
Motor Age has been publishing technical content for professional automotive technicians since 1899. Our writers have decades of experience and scores of ASE certifications, and they continue to teach new generations of technicians via classrooms all around the globe, as well as through the books and training manuals they've authored.
