Fuel-Filler Lid Cannot Be Locked/Unlocked: 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.

FUEL-FILLER LID CANNOT BE LOCKED/UNLOCKED [SECURITY AND LOCKS] DETECTION CONDITION AND POSSIBLE CAUSE

Description	The fuel-filler lid cannot be locked or unlocked.
Possible cause	Connector or terminal malfunction of the following parts: Fuel-filler lid lock actuator Electrical Supply Unit Short to ground or open circuit in fuel-filler lid lock actuator signal circuit Fuel-filler lid lock actuator malfunction Electrical supply unit malfunction
Courtesy of MAZDA MOTORS CORP.