The control module detected a fault associated with the Output stage of ECU for check engine lamp circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Alfa Romeo.
TuningBot DTC Database · v4.37.15
P1265 Alfa Romeo - Output stage of ECU for check engine lamp
Manufacturer-specific interpretation for Alfa Romeo. All interpretations of P1265
What P1265 means
Related and nearby codes
How to read P1265
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 P1265
What does P1265 mean?
Output stage of ECU for check engine lamp. The control module detected a fault associated with the Output stage of ECU for check engine lamp circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Alfa Romeo.
Is P1265 generic or manufacturer-specific?
P1265 is a manufacturer-specific code. In this database it is documented for: Alfa Romeo. The same number can mean something different on other brands.
Can TuningBot remove P1265 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
