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Home >> Mazda >> 2016 >> 6 Touring, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> On-Board Diagnostics [Dynamic Stability Control] >> DTC U3003-16;U3003-17;U3003-1C >> Notes
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DTC U3003-16;U3003-17;U3003-1C: Notes

DTC U3003:16, U3003:17, U3003:1C Power supply system
DETECTION CONDITION 
  • U3003:16
    • The vehicle speed exceeds 3 km/h {2 mph}  and the voltage at DSC HU/CM terminal AG is less than 10 V  .
  • U3003:17
    • The voltage at DSC HU/CM terminal AG is 16 V or more  .
  • U3003:1C
    • Low ignition voltage (10 V or less  ) is detected at the voltage monitor of the solenoid valve or motor monitor.
    • The ABS wheel speed sensor power supply for all four wheels decreases for a continuous 60 s  with the voltage at DSC HU/CM terminal AF is 10 V or less  .
FAIL-SAFE FUNCTION 
POSSIBLE CAUSE 
  • Malfunction of fuse (ABS/DSC M 50A or ABS/DSC S 30A)
  • Open or short circuit in wiring harness between DSC HU/CM terminal AG and battery
  • Open circuit in wiring harness between DSC HU/CM terminal A and body ground
  • Battery deterioration
  • Generator malfunction
  • Poor connection at connectors (female terminal)
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