The control module detected that the Variable geometry turbocharger is jammed or locked. 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.
TuningBot DTC Database · v4.37.15
P11B1 PSA - Variable geometry turbocharger : Detected jammed open after cleaning the actuator
Manufacturer-specific interpretation for PSA. All interpretations of P11B1
What P11B1 means
Related and nearby codes
How to read P11B1
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 P11B1
What does P11B1 mean?
Variable geometry turbocharger : Detected jammed open after cleaning the actuator. The control module detected that the Variable geometry turbocharger is jammed or locked. 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 P11B1 generic or manufacturer-specific?
P11B1 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 P11B1 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
