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Home >> Mazda >> 2017 >> CX-9 Signature >> Repair and Diagnosis >> Brakes >> Traction Control >> On-Board Diagnostic - Dynamic Stability Control (DSC) >> DTC U0420-00; U0420-82; U0420-83; Signal Error From EPS Control Module >> Notes
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DTC U0420-00; U0420-82; U0420-83; Signal Error From EPS Control Module: Notes

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 -