DTC B1DA1-94: Error Signal Received From 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 B1DA1:94 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Error signal received from top lock motor
Detection condition	The retractable hardtop control module receives a signal from the top lock motor while the top lock motor 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 2B and top lock motor terminal E Retractable hardtop control module terminal 2F and top lock motor terminal A Top lock motor malfunction Retractable hardtop control module malfunction
Courtesy of MAZDA MOTORS CORP.