What does it mean?
B3A54 is a Body (airbags, seat belts, body electronics) fault code. It indicates: Active Aerodynamic Feature D Actuator Temperature Not Plausible.
Severity
Medium
Can I keep driving?
Usually drivable, but get it diagnosed without delay.
How is this code read?
This is a standard OBD-II code; any basic scanner reads it on vehicles built after 2004.
B3A54 is a Body (airbags, seat belts, body electronics) fault code. It indicates: Active Aerodynamic Feature D Actuator Temperature Not Plausible.
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.