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TuningBot DTC Database · v4.37.15

P149B Turbo air cooler by-pass : Position incorrect (Closed too far) (APV)

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:PSA

PSA

1 interpretation
P149B
Turbo air cooler by-pass : Position incorrect (Closed too far) (APV) PSA · engine Data confidence 72%

The control module detected the fault condition "Position incorrect (Closed too far) (APV)" for the Turbo air cooler by-pass. Documented for the Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi)

Related and nearby codes

How to read P149B

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

49B

Specific fault index within the subsystem.

Frequently asked questions about P149B

What does P149B mean?

Turbo air cooler by-pass : Position incorrect (Closed too far) (APV). The control module detected the fault condition "Position incorrect (Closed too far) (APV)" for the Turbo air cooler by-pass. Documented for the Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Is P149B generic or manufacturer-specific?

P149B is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.

Can TuningBot remove P149B 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.

Other file services

ECU tuningStage 1 dyno results for PSA engines See the results →

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