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Home >> Mazda >> 2020 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 343 (On-Board Diagnostic - Retractable Fastback Control Module) >> DTC B1D9D-74: Rear Roof Link Motor (RH) Operation Time-Out [Retractable Hardtop Control Module] >> Notes
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DTC B1D9D-74: Rear Roof Link Motor (RH) Operation Time-Out [Retractable Hardtop Control Module]: Notes

WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1D9D:74 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description Rear roof link motor (RH) operation time-out
Detection condition
  • The retractable hardtop control module detects that the rear roof link motor (RH) is operating for 10 s or more.
Fail-safe
  • Stops retractable hardtop operation
Possible cause
  • Foreign matter penetrates rear roof link
  • Rear roof link motor (RH) malfunction
  • Retractable hardtop control module malfunction
System wiring diagram Not applicable