Battery should be about 12.6 V with engine OFF. Charging should be about 13.5–14.7 V with engine running. Clean and tighten terminals and grounds. Load-test the battery

P0562 — System Voltage Low

Powertrainmedium

The computer sees battery / charging voltage below normal.

Symptoms

Dim lights
Battery light on
Meter flickering
Slow starting
Random network codes

Common causes

Weak battery
Faulty alternator (dynamo)
Loose or rusty battery terminals
Slipping belt
Bad engine or body ground

How to fix

Battery should be about 12.6 V with engine OFF
Charging should be about 13.5–14.7 V with engine running
Clean and tighten terminals and grounds
Load-test the battery

Can I keep driving?

Short trips only — the car may die if the battery goes flat.

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