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TuningBot DTC Database · v4.37.14

P12AC Correction of fuel injector flow on cylinder 4 : Fuel injector leak

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

P · PowertrainFuelOBD2
Brand pages:PSA

PSA

1 interpretation
P12AC
Correction of fuel injector flow on cylinder 4 : Fuel injector leak PSA · fuel Data confidence 72%

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.

Applies to Peugeot Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi)

Related and nearby codes

How to read P12AC

P

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 and, where the ECU needs it, corrects the checksum too. 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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