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Home >> Mazda >> 2016 >> CX-9 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Blind Spot Monitoring Control Module >> DTC U0420-68: Error Signal Received From Electric Power Steering (EPS) Control Module >> Notes
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DTC U0420-68: Error Signal Received From Electric Power Steering (EPS) Control Module: Notes

Description Error signal received from electric power steering (EPS) control module
Detection condition 
  • Blind spot monitoring (BSM) control module receives the error signal from the electric power steering (EPS) control module for 1 s or more  .
Fail-safe 
  • Blind spot monitoring (BSM) system is stopped.
Possible cause 
  • DTCs are stored in the electric power steering (EPS) control module.
  • Electric power steering (EPS) control module malfunction
  • Blind spot monitoring (BSM) control module malfunction
System wiring diagram  Not applicable