Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2019 Subaru Crosstrek Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE
Inspection Mode AA
| DTC | Item | Condition | Number of driving cycles on the detecting condition |
|---|---|---|---|
| P1449 | EVAP SYSTEM CLOG DETECTED (AIR FILTER) | - | 2 |
WARNING:
When performing inspection mode AA on a public road, pay sufficient attention to the traffic condition and give the highest priority to safe driving.
Diagnostic procedure:
- Using the Subaru Select Monitor, clear the memory of [Engine Control System]. Refer to COMMON (DIAG)>CLEAR MEMORY .
- Drive 3 times according to the drive pattern described below.
- Read the temporary code using the Subaru Select Monitor or general scan tool. Refer to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .
Factory Service Tools
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When to See a Mechanic
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.
- • You are not confident in the next step or safety outcome.