P0562 • Powertrain System

P0562: System Voltage Low — Meaning, Symptoms & Fixes

Detailed OBD2 fault code breakdown, severity assessment, repair advice, and shop cost range for code P0562.

What does fault code P0562 mean?

Diagnostic trouble code P0562 is defined as System Voltage Low. This standard OBD2 code is triggered when your car's powertrain or module sensor voltage deviates from calibrated safety tolerances.

Severity & Can I Drive With Code P0562?

Severity Rating: 4/5 (High Severity)

⚠️ Drivability Warning: Prolonged driving with this code is not recommended. Prompt repair is suggested to prevent secondary component damage.

Common Symptoms of P0562

  • Dim headlights
  • Dashboard lights flickering
  • Weak battery crank

Common Causes Ranked by Likelihood

  • Failing alternator
  • Weak or dead battery
  • Loose battery terminal cables

DIY Repair & Troubleshooting Steps

  • Clean & tighten battery terminals
  • Measure battery voltage with multimeter

Professional Shop Repair & Estimated Cost Range

  • Replace alternator
  • Replace 12V starter battery

Estimated Repair Cost Range: $150 - $600

Related Diagnostic Codes & Knowledge Base

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