Mazda 2: DTC U0028:88
System Malfunction Location
- DSC HU/CM communication fault
Detection Condition
WARNING:
- Detection conditions are for understanding the DTC outline before
performing an inspection. Performing an
inspection with only detection conditions may cause injury due to an
operating error, or damage the system.
When performing an inspection, always follow the inspection procedure.
- Communication error to DSC HU/CM
Possible Causes
- DSC HU/CM connector malfunction
- SAS control module connector malfunction
- Open circuit in wiring harness between SAS control module and DSC HU/CM
- Short to power supply in wiring harness between SAS control module and DSC HU/CM
- Short to GND in wiring harness between SAS control module and DSC HU/CM
- DSC HU/CM malfunction
- SAS control module malfunction
System Wiring Diagram
Diagnostic Procedure
