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Home >> Mazda >> 2019 >> 6 Signature >> Repair and Diagnosis >> Brakes >> Traction Control >> On-Board Diagnostics - Dynamic Stability Control >> DTC U0402-00: Abnormal Message From TCM >> Notes

DTC U0402-00: Abnormal Message From TCM: Notes

DTC U0402:00 (DYNAMIC STABILITY CONTROL (DSC)) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0402:00 Abnormal Message From TCM
DETECTION CONDITION
  • Correct data cannot be received from the TCM with the ignition switched ON (engine off or on).
FAIL-SAFE FUNCTION
POSSIBLE CAUSE
  • The TCM could not send a normal signal temporarily. (DTCs are stored in the TCM.)
  • Transmission/transaxle malfunction
  • TCM malfunction
SYSTEM WIRING DIAGRAM Not applicable