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C0504
Left Front Wheel Speed Sensor A Intermittent/Erratic
Generic · braking
Data confidence
65%
The control module detected an unstable or intermittent signal in the Left Front Wheel Speed Sensor A circuit.
TuningBot DTC Database · v4.37.15
C0504 Left Front Wheel Speed Sensor A Intermittent/Erratic
Generic (OBD-II) interpretation in the TuningBot DTC database.
What C0504 means
Related and nearby codes
How to read C0504
C
Chassis: brakes, steering and suspension.
0
Generic SAE-standard code: same meaning on every make.
504
Specific fault index within the subsystem.
Frequently asked questions about C0504
What does C0504 mean?
Left Front Wheel Speed Sensor A Intermittent/Erratic. The control module detected an unstable or intermittent signal in the Left Front Wheel Speed Sensor A circuit.
Is C0504 generic or manufacturer-specific?
C0504 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove C0504 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 C0504 is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic