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 Impreza BaseFACTORY OEM SERVICE PROCEDURE
Inspection Mode BA
| DTC | Description & trouble part | Condition | Number of driving cycles on the detecting condition |
|---|---|---|---|
| P058A | BATTERY MONITOR MODULE PERFORMANCE | - | 1 |
- Make sure that the battery voltage is 12 V or more.
- Using the Subaru Select Monitor, perform the clear memory of [Engine]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
- Turn the ignition switch to OFF.
- Leave the battery for 5 seconds or more with the battery sensor connector disconnected, and then reconnect the connector.
- With the ignition switch OFF, wait for at least 10 minutes.
- Turn the ignition switch to ON (engine OFF) and wait for at least 1 minute.
- Using the Subaru Select Monitor, read the value in [Alternator control check 3].
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.