Battery Keeps Dying

A car battery that repeatedly dies may be caused by a weak battery, alternator failure, parasitic electrical drain, or poor battery connections.

Common Causes

• Old or failing battery
• Faulty alternator not charging battery
• Parasitic electrical drain
• Loose or corroded battery terminals
• Vehicle left with lights or accessories on

Related OBD Codes

• P0562 — System Voltage Low
• P0620 — Generator Control Circuit Malfunction

Common Repairs

• Replace battery
• Replace alternator
• Clean battery terminals
• Perform parasitic drain test

Related Repair Cost Guides

What Should You Do Next?

Not sure where to go next? Use these tools to continue diagnosing or estimate your repair.

Estimate This Repair

Use the TorqueMech estimator to calculate a repair estimate based on your vehicle and service.