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TuningBot DTC Database · v4.37.15

P1448 Subaru - Evaporative emission (EVAP) canister purge valve - range/performance problem

Manufacturer-specific interpretation for Subaru. All interpretations of P1448

P · PowertrainEmissionsOBD2

What P1448 means

P1448
Evaporative emission (EVAP) canister purge valve - range/performance problem Subaru · emissions Data confidence 62%

The control module judged the Evaporative emission (EVAP) canister purge valve behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Subaru.

Possible causes

  • Wiring
  • EVAP canister purge valve
  • ECM

Related and nearby codes

How to read P1448

P

Powertrain: engine, transmission and driveline systems.

1

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

448

Specific fault index within the subsystem.

Frequently asked questions about P1448

What does P1448 mean?

Evaporative emission (EVAP) canister purge valve - range/performance problem. The control module judged the Evaporative emission (EVAP) canister purge valve behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Subaru.

Is P1448 generic or manufacturer-specific?

P1448 is a manufacturer-specific code. In this database it is documented for: Subaru. The same number can mean something different on other brands.

Can TuningBot remove P1448 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

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