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C054B
Vacuum Sensor A Circuit Low
Generic · chassis
Data confidence
65%
The control module detected that the signal in the Vacuum Sensor A circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
C054B Vacuum Sensor A Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What C054B means
Related and nearby codes
How to read C054B
C
Chassis: brakes, steering and suspension.
0
Generic SAE-standard code: same meaning on every make.
54B
Specific fault index within the subsystem.
Frequently asked questions about C054B
What does C054B mean?
Vacuum Sensor A Circuit Low. The control module detected that the signal in the Vacuum Sensor A circuit stayed below the expected operating range.
Is C054B generic or manufacturer-specific?
C054B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove C054B at file level?
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 C054B is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic