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Home >> Mazda >> 2017 >> 6 Touring, Standard Trans >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> On-Board Diagnostic - Steering >> DTC U3000-4B; EPS Control Module Abnormal Temperature >> Notes
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DTC U3000-4B; EPS Control Module Abnormal Temperature: Notes

WARNING:
  • The EPS CM temperature could become high and may cause a burn. Before performing the work, verify that the steering column is cold.
DETECTION CONDITION & POSSIBLE CAUSE

DTC U3000:4B EPS CM
Detection condition
  • Abnormal temperature in EPS CM is detected
Fail-safe function
  • Control is maintained in fail mode
  • Power steering malfunction indicator light: Not illuminated
Possible cause
  • The EPS CM internal temperature exceeds the specified value due to steering wheel being held at lock and continuously, or other causes.
  • EPS CM malfunction
System wiring diagram Not applicable