Correction of fuel injector flow on cylinder 4 : Fuel injector leak
PSA · fuel
Data confidence72%
The control module detected the fault condition "Fuel injector leak" for the Correction of fuel injector flow on cylinder 4. Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
2AC
Specific fault index within the subsystem.
Frequently asked questions about P12AC
What does P12AC mean?
Correction of fuel injector flow on cylinder 4 : Fuel injector leak. The control module detected the fault condition "Fuel injector leak" for the Correction of fuel injector flow on cylinder 4. Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Is P12AC generic or manufacturer-specific?
P12AC 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 P12AC 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.
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