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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (On-Board Diagnostic - Radar Unit) >> DTC U0316:09 [Radar Unit] >> Notes

DTC U0316:09 [Radar Unit]: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location Error signal received from DSC HU/CM
Detection condition 
  • There is an error in the following signals sent from the DSC HU/CM.
    • Yaw rate signal
    • Lateral-G signal
    • Longitudinal-G signal
    • Wheel speed signal
    • Brake fluid pressure signal
    • Cruise control system control signal
    • Signal error in brake light circuit
Fail-safe 
  • Inhibits the Mazda radar cruise control (MRCC) system control
  • Inhibits the smart brake support (SBS) system control
Possible cause 
  • SAS control module malfunction
  • DSC HU/CM malfunction
  • Rear body control module (RBCM) malfunction
  • Radar unit malfunction
System wiring diagram 
  • Not applicable