Drive Cycle I: Notes

2014 Subaru Legacy 2.5i, Automatic CVT TransSECTION Notes
WARNING: This page is about a different car, the 2014 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
DTC Item Condition
P0455 Evaporative Emission System Leak Detected (Large Leak) «Coolant Temp.»: 5 - 45°C (41 - 113°F)
«IAT Sensor #11»: 5 - 50°C (41 - 122°F)
P0456 Evaporative Emission Control System Leak Detected (Very Small Leak)
P1451 Evaporative Emission Cont. Sys.
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High
P2404 Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
P2420 Evaporative Emission System Switching Valve Control Circuit High
CAUTION: Be careful of the state of the battery when performing the drive cycle I consecutively. Performing the drive cycle I consecutively without the engine running may cause a low battery voltage and battery discharge.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
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