P0562 — System Voltage Low
Reviewed1 source
1 source
- Official data (NHTSA)official_feed
What P0562 means
Caution — monitor closely
The ECU detects onboard voltage below normal — usually a weak/failing battery, a weak alternator, or poor terminal contact.
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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Weak alternator
- Weak or worn battery
Symptoms
- Hard starting
- Повышенный расход топлива
- Dim headlights
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