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Home >> Mazda >> 2016 >> 6 Touring, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> On-Board Diagnostics [Dynamic Stability Control] >> DTC U0402-00: Abnormal Message From TCM >> Notes
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DTC U0402-00: Abnormal Message From TCM: Notes

DTC U0402:00 Abnormal message from TCM
DETECTION CONDITION 
  • Correct data cannot be received from 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  -