LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (On-Board Diagnostic - Engine Control System (4 Of 4)) >> DTC U0315-00: DSC HU/Cm Error >> Outline

DTC U0315-00: DSC HU/Cm Error: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0315:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location DSC HU/CM error
Detection condition
  • When any of the following conditions is met:
    • CAN communication line malfunction between DSC HU/CM and PCM
    • DSC HU/CM internal malfunction
Fail-safe
  • Not applicable
Possible cause
  • CAN drive error (DSC HU/CM or PCM)
  • CAN communication line malfunction between DSC HU/CM and PCM
  • DSC HU/CM connector or terminals malfunction
  • PCM connector or terminals malfunction
  • DSC HU/CM malfunction
  • PCM malfunction
G13556266Courtesy of MAZDA MOTORS CORP.