DTC C0049-85: Inappropriate Brake Fluid Level [Vehicle Control Module (Us)]: Outline

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DTC C0049:85 [VEHICLE CONTROL MODULE (US)] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Inappropriate brake fluid level
Detection condition	The vehicle control module (VCM) receives a brake fluid error signal from the DSC HU/CM for 10 s.
Fail-safe	(See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause	DSC HU/CM malfunction Brake fluid level malfunction Brake fluid level sensor connector or terminals malfunction Brake fluid level sensor malfunction Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram	Not applicable
Connector diagram	Not applicable