LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2020 >> CX-5 Signature >> Repair and Diagnosis >> External Pages >> Different car >> Section 343 (On-Board Diagnostic - Retractable Fastback Control Module) >> DTC B1D98-79: Exceeds Maximum Number Of Pulse Counts For Front Roof Link Motor (RH) [Retractable Hardtop Control Module] >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1D98-79: Exceeds Maximum Number Of Pulse Counts For Front 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 B1D98:79 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description Exceeds maximum number of pulse counts for front roof link motor (RH)
Detection condition
  • The retractable hardtop control module detects a pulse signal exceeding the upper limit of the pulse count number from the front roof link motor (RH).
Fail-safe
  • Stops retractable hardtop operation
Possible cause
  • Front roof link motor (RH) is disengaged from front roof link (motor idling)
  • Front roof link motor (RH) malfunction
  • Retractable hardtop control module malfunction
System wiring diagram Not applicable