The stored code identifies a fault of the Fault in the inlet camshaft dephasing. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.
TuningBot DTC Database · v4.37.15
P11A9 PSA - Fault in the inlet camshaft dephasing
Manufacturer-specific interpretation for PSA. All interpretations of P11A9
What P11A9 means
The stored code identifies a fault of the Fault in the inlet camshaft dephasing. Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.
Related and nearby codes
How to read P11A9
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 P11A9
What does P11A9 mean?
Fault in the inlet camshaft dephasing. The stored code identifies a fault of the Fault in the inlet camshaft dephasing. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.
Is P11A9 generic or manufacturer-specific?
P11A9 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 P11A9 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
