TuningBot DTC Database · v4.37.14
Generic (OBD-II) interpretation in the TuningBot DTC database.
The control module detected an interruption (open circuit) in the Brake Fluid Level Sensor/Switch circuit, so the expected electrical continuity was not present.
Chassis: brakes, steering and suspension.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Brake Fluid Level Sensor/Switch Circuit/Open. The control module detected an interruption (open circuit) in the Brake Fluid Level Sensor/Switch circuit, so the expected electrical continuity was not present.
C004B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether C004B is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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