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Home >> Mazda >> 2023 >> CX-9 Signature >> Repair and Diagnosis >> Brakes >> Traction Control >> On-Board Diagnostics (Dynamic Stability Control HM/Cm) >> DTC U0420-00/U0420-82/U0420-83: Signal Error From EPS Control Module [DSC HU/Cm] >> Notes
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DTC U0420-00/U0420-82/U0420-83: Signal Error From EPS Control Module [DSC HU/Cm]: Notes

DTC U0420:00/U0420:82/U0420:83 (DSC HU/CM) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0420:00 Signal error from EPS control module
U0420:82
U0420:83
DETECTION CONDITION
  • Error detected in signal from EPS control module via CAN communication.
FAIL-SAFE FUNCTION
POSSIBLE CAUSE
  • EPS control module malfunction
SYSTEM WIRING DIAGRAM
  • Not applicable