P0562 on a Subaru: Causes, Fixes & Repair Cost
๐ Moderate severity ยท drivable
You can usually drive a Subaru for a short time, but a weak battery or failing alternator can leave you stranded, so get the charging system checked soon.
What P0562 means on a Subaru
On a Subaru, P0562 means the engine computer sees system voltage below about 10 volts. Subaru's charging system needs a healthy battery, and this code is often the first sign that the battery is getting weak.
Is P0562 common on Subarus?
P0562 is common on Outbacks, Foresters, Imprezas, and Crosstreks, where battery life can be shorter than average, especially in cold climates. A failing alternator is another common cause, particularly on higher-mileage models, and Subaru's headlights and accessories draw steady power that exposes a weak battery quickly.
Commonly reported on: Outback, Forester, Impreza, Crosstrek.
Symptoms
- Check engine light on
- Slow cranking or hard starting
- Dim headlights
- Battery warning light on the dash
Common causes
- most common: Weak or old battery
- common: Failing alternator
- common: Corroded or loose battery terminals
- less common: Bad ground or charging wiring
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Test the battery and replace it if weak | Yes | $130โ280 |
| Clean and tighten the battery terminals | Yes | $0โ20 |
| Replace the alternator | Mechanic | $400โ900 |
Frequently asked questions
Other common Subaru codes
P0562 on other brands
Looking for the full (non-brand-specific) guide? See the P0562 code page โ
Browse all Subaru codes: Subaru hub โ
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.