P0562

P0562 Code: System Voltage Low

System Subgroup: Powertrain System

Diagnostic Overview

Meaning: Fault code P0562 indicates that your vehicle's Engine Control Module (ECM/PCM) has registered a threshold discrepancy for system voltage low.

Can I Drive With This Code? Yes, you can safely drive for short distances, but prompt diagnostic inspection is recommended to prevent secondary damage or reduced engine performance.

What does the P0562 code mean?

Diagnostic Trouble Code (DTC) P0562 is defined as System Voltage Low. This trouble code is logged when the onboard computer detects operational values outside calibrated thresholds.

When stored, the system illuminates the Check Engine Light (MIL) to alert the driver of an active fault condition.

Common Symptoms of Code P0562

Depending on vehicle model and operating conditions, symptoms may include:

  • Dim headlights
  • Dashboard lights flickering
  • Weak battery crank

Common Potential Causes for Code P0562

Common causes for P0562 include:

  • Cause 1: Failing alternator
  • Cause 2: Weak or dead battery
  • Cause 3: Loose battery terminal cables

Inspection Checklist

Recommended diagnostic procedures:

  • Step 1: Clean & tighten battery terminals
  • Step 2: Measure battery voltage with multimeter

Symptoms that lead to P0562

If you have not scanned the car yet, or P0562 is one of several codes stored, these guides start from what the vehicle is actually doing.