How Do I Turn Off Full Accessory Power Active

How to Turn Off Full Accessory Power Active

Are you tired of your car's accessories draining your battery? Is that dreaded "Full Accessory Power Active" message flashing on your dashboard? You're not alone! Many drivers struggle with understanding and disabling this feature. This guide will walk you through the process, offering solutions for various car models and explaining what causes this power drain in the first place.

Understanding Full Accessory Power Active

"Full Accessory Power Active" usually means your car's accessories are drawing power from the battery even when the ignition is off. This could be anything from your radio staying on, to interior lights, to a charging port still providing power. While convenient for some, this constant power draw can quickly lead to a dead battery, especially if you're not driving your car regularly.

Common Causes of Full Accessory Power Active

Several factors can trigger this issue:

• Faulty Accessory Switch: A malfunctioning accessory switch might keep the power flowing even when it's turned off.
• Stuck Relay: Relays are electrical switches that control the flow of power to accessories. A stuck relay can continuously supply power.
• Leaving Accessories On: This is the most common cause. Forgetting to turn off your lights, radio, or other accessories can lead to a drained battery.
• Aftermarket Accessories: Improperly installed aftermarket accessories or faulty wiring can cause a continuous drain.
• Software Glitch: In some newer vehicles, a software glitch might be the culprit.

How to Turn Off Full Accessory Power Active: A Step-by-Step Guide

The exact method to disable full accessory power varies significantly depending on your car's make, model, and year. There's no one-size-fits-all solution. However, here are some general troubleshooting steps you can take:

1. Check for Obvious Issues

• Manually Turn Off Accessories: Start with the most obvious solution. Ensure that all accessories, including headlights, interior lights, radio, heated seats, and any charging ports are completely turned off. Check all doors and the trunk to make sure they are properly closed.
• Remove the Key from the Ignition: This might seem obvious, but make sure the key is completely removed, as a partially inserted key might still supply power to some accessories.

2. Inspect Fuses and Relays (Advanced Users Only)

Caution: Working with car fuses and relays can be dangerous if not done correctly. If you are not comfortable with this, seek professional help.

• Locate the Fuse Box: Your car's owner's manual should show the location of the fuse box and relay panel.
• Inspect Fuses: Carefully check the fuses related to accessories for signs of damage or blowing.
• Inspect Relays: Relays can become stuck. With the ignition off, you might try gently tapping or re-seating the relays to see if that resolves the issue.

3. Consult Your Owner's Manual

Your owner's manual is your best resource. It will provide specific instructions for your vehicle's electrical system and how to deal with accessory power issues. Look for sections related to battery maintenance, electrical systems, or troubleshooting.

4. Seek Professional Help

If you've tried these steps and are still experiencing issues with "Full Accessory Power Active," it's best to take your car to a qualified mechanic. They can diagnose the problem accurately and perform the necessary repairs.

Preventing Future Issues

• Develop Good Habits: Always double-check that all accessories are turned off before leaving your car.
• Regular Battery Checks: Regularly check your battery's health to catch problems early.
• Avoid Leaving Accessories On For Extended Periods: Even seemingly minor drains can add up over time.

By understanding the causes of "Full Accessory Power Active" and following these steps, you can prevent your battery from draining and keep your car running smoothly. Remember, safety first! If you're uncomfortable working with your car's electrical system, seek professional assistance.