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Code dictionary Generic OBD-II

P004BTurbocharger/Supercharger Boost Control B Circuit Range/Performance

This is a definition, not a repair instruction. It does not identify a failed part or establish that a vehicle is safe to drive.

Powertrain Community code reference

Reference scope

Generic OBD-II definition.

A manufacturer label does not establish the model, year, engine or module to which a diagnosis applies. Read the safety and diagnostic limits.

Definition source

  1. Community reference dataWal33D (Waleed Judah)
    DTC Database: pinned community code definitions

    Source checked · MIT

Other dictionary entries

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Generic OBD-II
P0045

Turbocharger/Supercharger Boost Control A Circuit/Open

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Generic OBD-II
P0046

Turbocharger/Supercharger Boost Control A Circuit Range/Performance

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P0047

Turbocharger/Supercharger Boost Control A Circuit Low

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P0048

Turbocharger/Supercharger Boost Control A Circuit High

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P0049

Turbocharger/Supercharger A Turbine Overspeed

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Generic OBD-II
P004A

Turbocharger/Supercharger Boost Control B Circuit/Open

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