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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> On-Board Diagnostic - Manual A/C >> DTC U0010-88; U0155-00; Unit Communication Errors >> Notes

DTC U0010-88; U0155-00; Unit Communication Errors: Notes

DTC DETECTION DESCRIPTION

System malfunction location
  • U0010:88: Unit communication error (MS-CAN)
  • U0155:00: Communication error with instrument cluster
Detection condition U0010:88
  • The climate control unit detects a CAN bus communication line (MS-CAN) malfunction.

U0155:00
  • The climate control unit could not receive CAN signal from the instrument cluster for 5 s or more.
Fail-safe function U0010:88
  • Not applicable

U0155:00
  • The value of the data which is not received from the instrument cluster is fixed at the specified value.
Possible cause
  • Malfunction in CAN bus communication line
  • Malfunction in CAN line between the climate control unit and instrument cluster
System wiring diagram Not applicable
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