Code Definition

P1447 — Evaporative Emission leak detection pump

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Kia

About P1447

P1447 is a manufacturer-specific powertrain diagnostic trouble code recorded for Kia vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1447 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The evaporative emission leak detection pump is the device the Engine Control Module (ECM) uses to pressurise the fuel vapour system so it can check for leaks by watching how the pressure builds and holds. The ECM operates the pump and monitors its circuit and performance. DTC P1447 sets when the ECM detects the leak detection pump is not working correctly, either from an electrical fault in its motor or solenoid circuit or because it cannot build or hold the expected pressure. Causes include the pump assembly, its wiring and connector, supply faults, or hose and EVAP system leaks that prevent...

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