Why does my Subaru Ascent battery keep dying?

Possible Reasons for Subaru Ascent Battery Drain
The Subaru Ascent may experience battery drain due to various reasons, as reported by owners and experts:
1. Electrical Issues and Liftgate Latch Problems:
– Some Subaru Ascent owners have experienced battery drain due to issues with the liftgate latch or other electrical issues, causing the vehicle to draw current from the battery and resulting in deep discharge.
2. Defective Electrical Systems:
– Lawsuits and settlements have alleged that the Subaru Ascent, along with other models, may have defective electrical systems causing premature battery failure.
3. Parasitic Draw and Long-Term Parking:
– Battery drain in the Ascent can also be caused by parasitic draw and if the vehicle has been parked for a long time.
4. Poor Power Management:
– Some owners have attributed the battery drain to poor power management with Subaru cars, particularly related to FOB functions, interior lights, and leaving the hatch open.
Actions and Solutions
If you are experiencing battery drain in your Subaru Ascent, here are some potential actions and solutions:
1. Proper Recharging:
– After a deep discharge, it’s important to take proper steps to fully recharge the battery while investigating the source of any electrical issues.
2. Review Settlement Information:
– As a Subaru Ascent owner, you may qualify for an extended warranty service and potential cash reimbursement for battery replacement and related costs as part of a settlement.
3. Consult with Dealership:
– Contact your dealership to inquire about any relevant recalls, technical service bulletins (TSBs), or potential solutions related to battery drain issues.
It’s important to address battery drain issues promptly to ensure the proper functioning of your Subaru Ascent. If you have further concerns, consulting with a qualified automotive professional or the dealership may provide additional insights and solutions.

How do I find out what’s draining my car battery?

The ammeter reading will tell you how much current is being drained out of the battery. You can determine which system(s) the drain is coming from, by removing fuses one at a time, until the reading drops. A small amount of current drain (less than . 1 A) from the clock, ETC, is normal.

How long does a Subaru Ascent battery last?

3 to 5 years
How often should you replace your 2023 Subaru Ascent battery? Every 3 to 5 years, but you should have your battery tested usually for extreme drops in voltage to make sure it’s operating at a trustworthy level.

Why does my car battery keep dying if the battery is good?

Defective charging system – A car battery drains quickly if something called the alternator on your charging system fails to push out enough voltage, ideally between 13.5 – 14.5 volts. In this case, the battery will continue to drain even while the car is running.

Will Subaru replace my battery for free?

If your current Subaru battery is an original equipment battery on a Subaru that you own, you’ll be covered by the Subaru battery warranty which is three years or 36,000 miles ― whichever comes first. As an authorized Subaru dealer, we’ll replace it with a new Subaru battery at no charge to you.

Does the Subaru Ascent have battery problems?

In the case of Subaru Ascent (and some Subaru Outback) owners, they may have liftgate latch or other issues, that may be causing their Subaru to draw current from the battery, resulting in the battery becoming deeply-discharged.

What is the Subaru electrical system recall?

Subaru has announced that 47419 vehicles have been affected by a Electrical System recall. The engine may inadvertently start and run for up to fifteen minutes. The engine may continue to start and stop until the fob battery is depleted, or until the vehicle runs out of fuel.

How can I tell if my alternator is draining my battery?

Here are a few ways to tell if your alternator is bad:

1. One of the most obvious signs is if the car dies after a jump start.
2. “If your alternator is going bad, you might see the voltage meter on your dashboard start to drop, or your car might start to vibrate while you’re driving,” According to Matthew Hart.

Why does my Subaru keep draining the battery?

Common culprits include alarm systems, radios, and even malfunctioning door switches. While a small amount of parasitic drain is normal (for keeping the clock running or preserving radio presets), excessive drain can deplete the battery rapidly.

Which Subarus have battery problems?

This effectively remotely drains the battery of every Subaru Outback built between 2015 and 2020. Even if you drive your car every day, its battery will die and you won’t be able to start it. Other models are probably affected, too. There was a class action lawsuit.

What is Subaru doing about the battery problem?

All Subaru batteries are automatically covered for an initial three years or 36,000 miles. If your vehicle is part of the settlement class and you’ve suffered from a dead battery in the last 6 months you may be entitled to free battery diagnostics and may qualify for an extended warranty.