DTC B1D9A-79: Exceeds Maximum Number Of Pulse Counts For Front Roof Link Motor (LH) [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 B1D9A:79 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

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