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Home >> Mazda >> 2016 >> CX-9 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Auto Leveling Control Module >> DTC U3003-17: >> Notes
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DTC U3003-17:: Notes

Description Auto leveling control module high power supply voltage input
Detection condition 
  • Auto leveling control module power supply circuit voltage of 18.1 V or more  is detected for 5 s or more  with the ignition switched ON (engine off or on).
Fail-safe 
  • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause 
  • DTCs are stored in the PCM.
  • Battery malfunction
  • Generator malfunction
  • Auto leveling control module malfunction
System wiring diagram  Not applicable