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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (On-Board Diagnostic - Electric Power Steering (EPS) System) >> DTC U3003-16, U3003-17 Or U3003-1C: Battery Power Supply (Electric Power Steering (EPS)) >> Outline

DTC U3003-16, U3003-17 Or U3003-1C: Battery Power Supply (Electric Power Steering (EPS)): Outline

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DTC U3003:16, U3003:17 OR U3003:1C (ELECTRIC POWER STEERING (EPS)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Battery power supply
Detection condition
  • U3003:16
    • Voltage of 8 V or less detected by EPS control module internal battery voltage observation.
  • U3003:17 or U3003:1C
  • Voltage of 17.5 V or more detected by EPS control module internal battery voltage observation.
Fail-safe
Possible cause
  • Generator malfunction
  • Poor connection at connectors
  • EPS control module malfunction
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