P004ATurbocharger/Supercharger Boost Control "B" Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEngineOBD2
What P004A means
P004A
Turbocharger/Supercharger Boost Control "B" Circuit/Open
Generic · engine
Data confidence85%
The control module detected an interruption (open circuit) in the Turbocharger/Supercharger Boost Control "B" circuit, so the expected electrical continuity was not present.
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
04A
Specific fault index within the subsystem.
Frequently asked questions about P004A
What does P004A mean?
Turbocharger/Supercharger Boost Control "B" Circuit/Open. The control module detected an interruption (open circuit) in the Turbocharger/Supercharger Boost Control "B" circuit, so the expected electrical continuity was not present.
Is P004A generic or manufacturer-specific?
P004A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P004A at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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