2020 Audi P0562: What It Means & Is It Safe to Drive?
P0562 on the 2020 Audi: System Voltage Low. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
PowertrainMedium urgency
What this code means
The PCM has detected that system voltage is below the acceptable threshold. Usually points to a failing battery, alternator, or a poor ground connection.
Common causes on the 2020 Audi
- Weak or failing battery
- Failing alternator not producing sufficient output
- Poor battery cable or ground connections
- Parasitic draw draining the battery
Symptoms
- Check Engine Light
- Dim headlights
- Electrical accessories acting erratically
- Hard starting or slow cranking
Typical fixes
- Load-test battery and replace if weak
- Test alternator output and replace if low
- Clean battery terminals and ground connections
Repair cost range
For a 2020 Audi, repairs for P0562 typically fall between $100 and $500, depending on the root cause and labor rates in your area.
Known issues on Audi
Audi P0562 low voltage typically requires checking the battery and alternator. Like Mercedes, Audi requires battery registration via VCDS or ODIS after replacement—an unregistered battery causes the ECU to use incorrect charging parameters. Always code a new battery.
Most commonly affected models
A4 2005–2016Q5 2009–2017A6 2005–2015