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Home >> Mazda >> 2017 >> CX-9 Touring, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> 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

DETECTION CONDITION AND POSSIBLE CAUSE

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