Back to 2013 Audi A6

2013 AUDI A6

3.0L Supercharged V6•AWD•AUTOMATIC•gas•supercharged
6 active safety recalls on this vehicle — view recalls
Repairs0Labor991Torque6374Fluid15DTC1810Battery0Maintenance0Recalls6
P0562moderate severityPowertrain

System Voltage Low

on 2013 Audi A6 3.0L Supercharged V6 · AWD

What this code means

The system voltage is below the acceptable threshold.

Symptoms

  • Check Engine Light
  • Battery light on
  • Dim lights
  • Electrical accessories malfunctioning
  • Hard starting

Common causes

  • Weak battery
  • Faulty alternator
  • Corroded battery terminals
  • Loose serpentine belt
  • Bad ground connection

Diagnostic steps

  1. Test battery voltage (should be 12.6V static, 13.5-14.5V running)
  2. Load test battery
  3. Test alternator output
  4. Inspect belt tension
  5. Clean battery terminals
  6. Check ground straps

Repair notes

Test battery and alternator. Clean terminals. Most common: failing alternator.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →