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Home >> Mazda >> 2016 >> 3 Sport, 4D Hatchback, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> On-Board Diagnostic [Vehicle Control Module - V/C-Module] >> DTC C1A67-04: Radar Sensor Internal Circuit Malfunction >> Notes
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DTC C1A67-04: Radar Sensor Internal Circuit Malfunction: Notes

System malfunction location Radar sensor internal circuit malfunction
Detection condition 
  • Radar sensor internal circuit malfunction
Fail-safe 
  • Inhibits the Mazda radar cruise control (MRCC) system control
  • Inhibits the forward obstruction warning (FOW) system control
Possible cause 
  • Generator system malfunction
  • Battery malfunction
  • C/U IG1 15 A fuse malfunction
  • Open circuit or short to ground in wiring harness between battery positive terminal and radar sensor
  • Radar sensor malfunction
  • Vehicle control module (V/C-module) malfunction
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