P0562 on Chevrolet
System Voltage Low
P0562 on Chevrolet vehicles indicates system voltage low. Au7o has documented this code across 1 Chevrolet model — most commonly on Blazer. P0562 means the engine computer detected that the vehicle's system (battery/charging) voltage is too low for normal operation. The computer constantly monitors charging-system voltage because nearly every sensor, injector, and module depends on a stable supply; sustained low voltage can cause erratic behavior and other false codes. This is most often a charging or battery problem — the alternator isn't keeping up, the battery is weak, or there's resistance in the cables/grounds. You may notice dim lights, slow cranking, or multiple unrelated warning lights. Typical repair costs on Chevrolet range from $200 to $400, depending on the specific model and root cause.
Common Causes of P0562
- •Failing alternator or worn alternator brushes/regulator
- •Weak, old, or discharged battery
- •Corroded, loose, or damaged battery cables and terminals
- •Bad engine or chassis ground connections
- •Slipping, glazed, or broken serpentine/drive belt
- •High resistance in charging system wiring or fusible link
- •Faulty PCM voltage reference or charging-system control
P0562 on Chevrolet by Model
Chevrolet Blazer(1 issue)
- Auto Start-Stop Battery Degradation and System Faults2019-2025
The AGM battery required for the auto start-stop system degrades prematurely, often failing within 2-3 years. When the battery weakens, the start-stop system disables itself and various electrical warnings appear. The auxiliary battery (on equipped models) can also fail, compounding the issues.
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View P0562 across all makes →Frequently Asked Questions
What does P0562 mean on Chevrolet?▼
P0562 stands for "System Voltage Low." P0562 means the engine computer detected that the vehicle's system (battery/charging) voltage is too low for normal operation. The computer constantly monitors charging-system voltage because nearly every sensor, injector, and module depends on a stable supply; sustained low voltage can cause erratic behavior and other false codes. This is most often a charging or battery problem — the alternator isn't keeping up, the battery is weak, or there's resistance in the cables/grounds. You may notice dim lights, slow cranking, or multiple unrelated warning lights. On Chevrolet specifically, this code is documented across 1 model.
What causes P0562 on Chevrolet vehicles?▼
Common causes on Chevrolet: Failing alternator or worn alternator brushes/regulator, Weak, old, or discharged battery, Corroded, loose, or damaged battery cables and terminals, Bad engine or chassis ground connections, Slipping, glazed, or broken serpentine/drive belt. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0562 on a Chevrolet?▼
Repair costs on Chevrolet range from $200 to $400, depending on the specific model and root cause.
Which Chevrolet models have P0562 documented?▼
Au7o has documented P0562 on 1 Chevrolet model: Blazer.