DTC U262A-14: Electrical Supply Unit (ESU) Power Supply Circuit (B7+) Malfunction (BCM): 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 U262A:14 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Electrical supply unit (ESU) power supply circuit (B7+) malfunction
Detection condition	The electrical supply unit (ESU) detects an open circuit or short to ground in the power supply circuit (B7+).
Fail-safe	Not applicable
Possible cause	Electrical supply unit (ESU) connector or terminal malfunction Short to ground or open circuit in electrical supply unit (ESU) power supply circuit (B7+) Electrical supply unit (ESU) malfunction Body control module (BCM) malfunction
Courtesy of MAZDA MOTORS CORP.