2021 Jeep P0562: What It Means & Is It Safe to Drive?
P0562 on the 2021 Jeep: 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 2021 Jeep
- 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 2021 Jeep, repairs for P0562 typically fall between $100 and $500, depending on the root cause and labor rates in your area.
Known issues on Jeep
Jeep P0562 on Wrangler is common after aftermarket accessory installation—winches, light bars, and audio upgrades can overload the stock charging system. On Grand Cherokee, inspect the engine ground straps, which corrode and cause chronic low voltage codes.
Most commonly affected models
Grand Cherokee 2005–2014Wrangler JK 2007–2018Liberty 2005–2012