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Home >> Mazda >> 2020 >> CX-30 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Auto Leveling Control Module >> DTC U0122-87: Communication Error With DSC HU/Cm (Auto Leveling Control Module (Us)) >> Outline
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DTC U0122-87: Communication Error With DSC HU/Cm (Auto Leveling Control Module (Us)): Outline

DTC U0001:88 (AUTO LEVELING CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with DSC HU/CM
Detection condition
  • The auto leveling control module cannot receive CAN signal from the DSC HU/CM.
Fail-safe
  • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause
  • Malfunction in CAN communication line between DSC HU/CM and auto leveling control module
System wiring diagram Not applicable