The control module detected a drift of the turbocharger away from the expected value. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
TuningBot DTC Database · v4.37.15
P149C Diagnostic Trouble Code (2 interpretations)
2 manufacturer-specific interpretations across 1 manufacturer in the TuningBot DTC database.
PSA
2 interpretationsThe control module detected a drift of the Variable geometry turbocharger away from the expected value. 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.
Related and nearby codes
How to read P149C
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P149C
What does P149C mean?
Diagnostic Trouble Code (2 interpretations). The control module detected a drift of the turbocharger away from the expected value. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Is P149C generic or manufacturer-specific?
P149C 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 P149C 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic
