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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-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

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: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.