DTC B1520-54: Seat Position Initial Learning Of Position Memory System Not Implemented [Dash-Electrical Supply Unit]: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1520:54 [DASH-ELECTRICAL SUPPLY UNIT] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Seat position initial learning of position memory system not implemented
Detection condition	The dash-electrical supply unit detects that the seat position initial learning of the position memory system was not completed.
Fail-safe	Inhibits the seat position recall and seat position programming of the position memory system.
Possible cause	Seat position initial learning of position memory system not implemented Position memory control module malfunction Dash-electrical supply unit malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable