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Home >> Mazda >> 2017 >> MX-5 Miata Club, Standard Trans >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic - Retractable Fastback Control Module >> DTC U0402-86; Error Signal Received From TCM >> Notes
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DTC U0402-86; Error Signal Received From TCM: Notes

Description Error signal received from TCM
Detection condition
  • The retractable fastback control module receives an error signal from the TCM with the ignition switched ON (engine off or on).
Fail-safe
  • Stops retractable fastback operation
Possible cause
  • TCM stores DTCs
  • TCM malfunction
  • Front roof link motor (RH) malfunction
System wiring diagram Not applicable