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Home >> Mazda >> 2021 >> MX-5 Miata Club, Standard Trans >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic - Retractable Fastback Control Module >> DTC B1D9D-94: Error Signal Received From Rear Roof Link Motor (RH) [Retractable Hardtop Control Module] >> Notes
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DTC B1D9D-94: Error Signal Received From Rear Roof Link Motor (RH) [Retractable Hardtop Control Module]: Notes

DTC B1D9D:94 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description Error signal received from rear roof link motor (RH)
Detection condition
  • The retractable hardtop control module receives a signal from the rear roof link motor (RH) while the rear roof link motor (RH) is not operating.
Fail-safe
  • Stops retractable hardtop operation
Possible cause
  • Short to power supply in wiring harness between the following terminals:
    • Retractable hardtop control module terminal 3G and rear roof link motor (RH) terminal A
    • Retractable hardtop control module terminal 3C and rear roof link motor (RH) terminal E
  • Rear roof link motor (RH) malfunction
  • Retractable hardtop control module malfunction
G13490332Courtesy of MAZDA MOTORS CORP.