DTC B1DA0-79: Exceeds Maximum Number Of Pulse Counts For Top Lock Motor [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 B1DA0:79 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Exceeds maximum number of pulse counts for top lock motor
Detection condition	The retractable hardtop control module detects a pulse signal exceeding the maximum number of the pulse counts from the top lock motor.
Fail-safe	Stops retractable hardtop operation
Possible cause	Poor top lock motor installation Top lock motor malfunction Retractable hardtop control module malfunction
Courtesy of MAZDA MOTORS CORP.