The control module detected an interruption (open circuit) in the ABS Pump Motor Supply Voltage B circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.14
C05A5 ABS Pump Motor Supply Voltage B Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What C05A5 means
Related and nearby codes
How to read C05A5
Chassis: brakes, steering and suspension.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about C05A5
What does C05A5 mean?
ABS Pump Motor Supply Voltage B Circuit/Open. The control module detected an interruption (open circuit) in the ABS Pump Motor Supply Voltage B circuit, so the expected electrical continuity was not present.
Is C05A5 generic or manufacturer-specific?
C05A5 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove C05A5 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 C05A5 is removable in your case.
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Understand the system behind this code: Diagnostic Strategy and DTC Logic
