P004BTurbocharger/Supercharger Boost Control "B" Circuit Range/Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEngineOBD2
What P004B means
P004B
Turbocharger/Supercharger Boost Control "B" Circuit Range/Performance
Generic · engine
Data confidence85%
The control module judged the Turbocharger/Supercharger Boost Control "B" signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
04B
Specific fault index within the subsystem.
Frequently asked questions about P004B
What does P004B mean?
Turbocharger/Supercharger Boost Control "B" Circuit Range/Performance. The control module judged the Turbocharger/Supercharger Boost Control "B" signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Is P004B generic or manufacturer-specific?
P004B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P004B at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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