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B1318 — Battery Voltage High

Body control module detected high system voltage.

Severity: MediumRepair: $100-$500Difficulty: Easy

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Common symptoms of B1318

Common causes of B1318

Repair cost & difficulty

Typical cost to fix B1318: $100-$500 · Difficulty: Easy

Pro tip: Overcharging damages electronics. Have alternator tested immediately.

Vehicles commonly affected

Ford, GM, Chrysler

Related trouble codes

P0563B1317

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.