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 Diagnostic Trouble Code (7 interpretations)
7 manufacturer-specific interpretations across 6 manufacturers in the TuningBot DTC database.
Alfa Romeo
1 interpretation
Ford
1 interpretationThe control module detected a fault associated with the Cylinder #5 High To Low Side Short circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.
Possible causes
Wiring short circuit
Jeep
1 interpretationThe control module detected that the signal in the Glow Plug #3 Control circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Jeep.
Mazda
1 interpretationThe control module detected a fault associated with the Cylinder #5 High To Low Side Short circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mazda.
Porsche
1 interpretationThe control module detected a fault associated with the Airbag Signal circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.
VAG
2 interpretationsThe control module determined that the Injector 2 - control adaptation reached its permissible limit. This is the manufacturer-specific definition used by Audi.
Possible causes
- Control period too short
- fuel level low
- air in fuel system
The control module determined that the Injector 2 - control adaptation reached its permissible limit. This is the manufacturer-specific definition used by Volkswagen.
Possible causes
- Control period too short
- fuel level low
- air in fuel system
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?
Diagnostic Trouble Code (7 interpretations). 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, Ford, Jeep, Mazda, Porsche, VAG. 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
