TuningBot DTC Database · v4.37.15
Generic (OBD-II) interpretation in the TuningBot DTC database.
The control module detected a fault associated with the ABS Pump Motor Supply Voltage Circuit A/B Correlation circuit or function; the stored code identifies the affected component rather than a single failure mode.
Chassis: brakes, steering and suspension.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
ABS Pump Motor Supply Voltage Circuit A/B Correlation. The control module detected a fault associated with the ABS Pump Motor Supply Voltage Circuit A/B Correlation circuit or function; the stored code identifies the affected component rather than a single failure mode.
C05A9 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 C05A9 is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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