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TuningBot DTC Database · v4.37.15

P1303 MINI - Misfiring Cylinder 3

Manufacturer-specific interpretation for MINI. All interpretations of P1303

P · PowertrainEngineOBD2

What P1303 means

P1303
Misfiring Cylinder 3 MINI · engine Data confidence 62%

The control module detected a fault associated with the Misfiring Cylinder 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.

Related and nearby codes

How to read P1303

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

303

Specific fault index within the subsystem.

Frequently asked questions about P1303

What does P1303 mean?

Misfiring Cylinder 3. The control module detected a fault associated with the Misfiring Cylinder 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.

Is P1303 generic or manufacturer-specific?

P1303 is a manufacturer-specific code. In this database it is documented for: MINI. The same number can mean something different on other brands.

Can TuningBot remove P1303 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

ECU tuningStage 1 dyno results for Mini engines See the results →

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