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.
2024 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code (DTC): Operation
- On [Start] screen, select [Diagnosis].
- On [Vehicle selection] screen, input the target vehicle information and select [OK].
- On [Main Menu] screen, select [Each System].
- On [Select System] screen, select the corresponding system and select [Enter].
- On [Select Function] screen, select [DTC].
NOTE:
- For detailed operation procedures, refer to "Help" of application .
- When using the Subaru Select Monitor, turn the ignition switch to ON .
- Sub screen may appear in the system selection display. In that case, select appropriate items in accordance with the contents of the display .
- Current code is a diagnostic code displayed when the system is judging the current code. However, if a DTC is recorded due to poor contact etc., the code remains displayed as current code during the drive cycle even after the poor contact has resolved .
- Pending code is a trouble code that displays the malfunction in 1st driving cycle as a temporary malfunction, in the diagnostic code where a malfunction is detected in 2nd driving cycles .
- History code is a diagnostic code recorded when the current code is not detected but the system has detected a malfunction in the past. When the current code is recorded, it is also recorded to the history code at the same time .
Factory Service Tools
Use the Manual With the Right Hardware
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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.
