How to Reset Check Engine Light on Dodge Durango 2013

This guide walks you through how to reset the check engine light on a Dodge Durango 2013 using simple tools and proven methods. Whether you’ve fixed the issue or just want to clear the warning, we’ll show you safe, reliable ways to turn off the light—without risking damage to your vehicle.

Key Takeaways

• Understand the cause first: Never reset the check engine light without diagnosing the underlying issue—doing so may hide serious problems.
• Use an OBD2 scanner for best results: This is the most reliable and recommended method to reset the light on a 2013 Durango.
• Battery disconnection works—but has risks: Removing the battery can reset the light, but it may also erase radio settings, throttle adaptations, and other stored data.
• Drive cycles may clear the light automatically: After repairs, driving under normal conditions for a few days can allow the vehicle’s computer to clear the code.
• Avoid quick-fix gadgets: Products claiming to “instantly” reset the light without diagnosis are often ineffective or unsafe.
• Check for pending codes after reset: Even if the light is off, use a scanner to confirm no new issues are developing.
• Keep records of repairs and resets: This helps with future diagnostics and maintains your vehicle’s resale value.

How to Reset Check Engine Light on Dodge Durango 2013

If you’re driving a 2013 Dodge Durango and the check engine light has popped up on your dashboard, you’re not alone. This warning light—also known as the Malfunction Indicator Lamp (MIL)—can appear for dozens of reasons, from a loose gas cap to a faulty oxygen sensor. While it’s tempting to just make the light disappear, the real goal should be understanding and fixing the root cause.

In this comprehensive guide, you’ll learn how to reset the check engine light on a Dodge Durango 2013 safely and effectively. We’ll walk you through multiple methods—from using an OBD2 scanner to disconnecting the battery—and explain when each is appropriate. You’ll also get tips on diagnosing the problem, avoiding common mistakes, and ensuring your Durango runs smoothly after the reset.

Whether you’re a DIY enthusiast or just trying to save a trip to the mechanic, this guide will give you the knowledge and confidence to handle the check engine light like a pro.

Why the Check Engine Light Comes On

Before you reset the light, it’s crucial to understand why it turned on in the first place. The 2013 Dodge Durango uses an onboard diagnostic system (OBD2) that monitors engine performance, emissions, and various sensors. When something goes outside normal parameters, the computer triggers the check engine light.

Common causes include:

• Loose or damaged gas cap: This is the #1 reason for a check engine light. A loose cap allows fuel vapors to escape, triggering an evaporative emissions code (like P0455).
• Faulty oxygen (O2) sensor: These sensors monitor exhaust gases and help regulate fuel mixture. A failing sensor can reduce fuel efficiency and increase emissions.
• Catalytic converter issues: A clogged or failing converter can cause poor performance and trigger codes like P0420.
• Mass airflow (MAF) sensor problems: This sensor measures incoming air to calculate fuel delivery. Dirt or damage can lead to rough idling or hesitation.
• Spark plug or ignition coil failure: Misfires (codes like P0300–P0308) often stem from worn spark plugs or bad coils.
• Evaporative emissions system leaks: Small leaks in hoses or valves can set off codes even if the engine runs fine.

Ignoring the light can lead to reduced fuel economy, increased emissions, and even engine damage over time. That’s why it’s essential to diagnose the issue before resetting the light. Resetting without fixing the problem is like turning off a fire alarm while the house is still burning.

Tools You’ll Need

To reset the check engine light on your 2013 Durango, you’ll need a few basic tools. The good news? Most are affordable and easy to find.

• OBD2 scanner: This is the best tool for the job. It plugs into your vehicle’s diagnostic port and reads trouble codes. Basic models start around $20, while advanced ones offer live data and code definitions.
• Owner’s manual: Always keep this handy. It contains important info about your Durango’s systems and maintenance schedules.
• Socket wrench or screwdriver: Needed if you plan to disconnect the battery.
• Safety gloves and glasses: Protect yourself when working under the hood.
• Pen and paper: To record trouble codes and repair notes.

If you don’t own an OBD2 scanner, consider borrowing one from an auto parts store (many offer free code reading), or invest in a budget-friendly model. It’s a worthwhile tool that pays for itself over time.

Method 1: Using an OBD2 Scanner (Recommended)

The safest and most effective way to reset the check engine light on a 2013 Dodge Durango is with an OBD2 scanner. This method allows you to read the trouble code, understand the problem, and clear the light—all without risking damage to your vehicle’s electronics.

Step 1: Locate the OBD2 Port

The OBD2 port is usually found under the dashboard on the driver’s side. In the 2013 Durango, it’s typically positioned just below the steering column, near the knee panel. It’s a 16-pin connector that looks like a trapezoid.

To access it:

• Sit in the driver’s seat and look down near your left foot.
• You may need to crouch or use a flashlight to spot it.
• The port is often covered by a small plastic panel—gently pull it off if needed.

Step 2: Plug in the OBD2 Scanner

Turn off the ignition before connecting the scanner. Then:

• Insert the scanner’s plug firmly into the OBD2 port.
• Make sure it’s seated properly—loose connections can cause errors.

Step 3: Turn the Ignition to “On”

Do not start the engine. Instead:

• Turn the key to the “ON” position (dashboard lights will illuminate).
• This powers up the vehicle’s computer and allows the scanner to communicate with it.

Step 4: Read the Trouble Codes

Follow the scanner’s instructions to retrieve codes. Most devices have a “Read” or “Scan” button. Once activated:

• The scanner will display one or more Diagnostic Trouble Codes (DTCs), such as P0420 or P0171.
• Write down the codes and use the scanner’s built-in database (or an online resource) to understand what they mean.

For example:

• P0455: Large evaporative emissions leak (often a loose gas cap).
• P0304: Cylinder 4 misfire.
• P0133: O2 sensor circuit slow response (bank 1, sensor 1).

Step 5: Fix the Underlying Issue

Before resetting the light, address the problem. For instance:

• If the code is P0455, tighten or replace the gas cap.
• If it’s a misfire, inspect spark plugs and ignition coils.
• If it’s an O2 sensor, consider replacement if diagnostics confirm failure.

Never reset the light without fixing the issue—this can lead to repeated warnings and potential damage.

Step 6: Clear the Codes

Once the repair is complete:

• On your scanner, select “Clear Codes” or “Erase DTCs.”
• Confirm the action when prompted.
• The scanner will send a command to the vehicle’s computer to turn off the check engine light.

Step 7: Verify the Reset

After clearing:

• Turn off the ignition and wait 10–15 seconds.
• Restart the vehicle and check if the light remains off.
• If it comes back on, the problem may not be fully resolved—re-scan and re-diagnose.

Using an OBD2 scanner is the gold standard for resetting the check engine light. It’s fast, accurate, and gives you valuable diagnostic information.

Method 2: Disconnecting the Battery (Alternative Method)

If you don’t have an OBD2 scanner, you can reset the check engine light by disconnecting the battery. This method forces the vehicle’s computer (PCM) to reset by cutting power. However, it comes with caveats.

Step 1: Turn Off the Engine and Remove the Key

Safety first:

• Park the Durango on a flat surface and engage the parking brake.
• Turn off the engine and remove the key from the ignition.

Step 2: Locate the Battery

In the 2013 Durango, the battery is under the hood on the driver’s side. It’s a standard 12-volt lead-acid battery housed in a plastic tray.

Step 3: Disconnect the Negative Terminal

Always disconnect the negative (black) cable first to avoid short circuits:

• Use a socket wrench or wrench to loosen the nut on the negative terminal.
• Carefully lift the cable off the battery post and secure it away from the terminal.
• Optional: Place a cloth over the positive terminal to prevent accidental contact.

Step 4: Wait 15–30 Minutes

This allows the vehicle’s capacitors to discharge and the PCM to fully reset:

• Wait at least 15 minutes—some recommend up to 30 for a complete reset.
• During this time, the computer loses its adaptive memory, including fuel trims and learned driving patterns.

Step 5: Reconnect the Battery

Reattach the negative cable:

• Place the cable back on the negative terminal.
• Tighten the nut securely—don’t overtighten, as it can damage the terminal.

Step 6: Start the Vehicle

Turn the key to “ON” and then start the engine:

• The check engine light should be off.
• If it remains off after driving for a few minutes, the reset was successful.

Potential Downsides of Battery Disconnection

While this method works, it has drawbacks:

• Radio and infotainment settings may reset: You might need to re-enter your radio presets, clock, and navigation favorites.
• Throttle body relearn may be required: The PCM may need to relearn idle settings, causing rough idling temporarily.
• Adaptive transmission shifts may be affected: The transmission control module (TCM) may need time to readapt.
• Doesn’t address the root cause: If the problem persists, the light will return.

For these reasons, battery disconnection should be a last resort—not the first choice.

Method 3: Drive Cycle Reset (Natural Clearing)

Sometimes, the check engine light will turn off on its own—after you’ve fixed the issue and driven the vehicle under normal conditions. This is called a “drive cycle reset.”

The 2013 Durango’s computer runs self-tests during specific driving conditions. Once all tests pass, it automatically clears the code and turns off the light.

What Is a Drive Cycle?

A drive cycle is a series of driving maneuvers that allow the onboard computer to test various systems. For the Durango, a typical drive cycle includes:

• Cold start (engine off for at least 8 hours).
• Idle for 2–3 minutes.
• Drive at 30–40 mph for 5–10 minutes.
• Accelerate to 55–60 mph and cruise for 10–15 minutes.
• Decelerate and stop several times.
• Idle again before shutting off.

How Long Does It Take?

If the problem is fixed, the light may go off after:

• 1–3 complete drive cycles.
• 30–100 miles of normal driving.

However, this method only works if the underlying issue is resolved. If the fault remains, the light will stay on or return quickly.

Tips for a Successful Drive Cycle

• Avoid short trips—these don’t allow full system testing.
• Drive during varying conditions (city, highway, hills).
• Ensure the gas tank is between ¼ and ¾ full (required for evaporative system tests).
• Don’t disconnect the battery during this process—it resets the drive cycle counter.

This method is free and requires no tools, but it’s slower and less reliable than using a scanner.

Troubleshooting Common Issues

Even after resetting the light, problems can persist. Here’s how to handle common scenarios.

The Light Comes Back On Immediately

If the check engine light returns right after reset:

• The issue was not fixed—re-scan for codes.
• Check for loose connections, damaged wires, or faulty sensors.
• Some problems (like catalytic converter failure) require professional diagnosis.

The Light Flickers or Flashes

A flashing light indicates a severe misfire that can damage the catalytic converter:

• Pull over safely and turn off the engine.
• Do not drive until the issue is resolved.
• Common causes: bad spark plugs, ignition coils, or fuel injectors.

No Codes Are Found After Reset

If the scanner shows “No Codes” but the light was on:

• The issue may have been intermittent (e.g., loose gas cap).
• Monitor the vehicle for a few days—watch for symptoms like rough idle or poor fuel economy.
• Use the scanner to check for “pending codes,” which haven’t yet triggered the light.

Battery Disconnection Caused Problems

If your radio, clock, or idle is acting up after disconnecting the battery:

• Re-enter radio presets and set the clock.
• Let the vehicle idle for 10–15 minutes to allow throttle relearn.
• Drive normally for a day or two—the PCM will readapt.

Preventing Future Check Engine Lights

An ounce of prevention is worth a pound of cure. Here’s how to reduce the chances of the light coming back:

• Check the gas cap regularly: Make sure it’s tight after every fill-up. Replace it if it’s cracked or worn.
• Follow the maintenance schedule: Replace spark plugs, air filters, and fuel filters as recommended (usually every 30,000–100,000 miles).
• Use quality fuel: Cheap or contaminated gas can harm sensors and fuel systems.
• Address warning signs early: Rough idle, hesitation, or poor mileage can precede a check engine light.
• Keep the engine clean: Dirt and oil buildup can affect sensors like the MAF.

Regular maintenance is the best defense against unexpected warnings.

When to See a Mechanic

While many check engine light issues can be handled at home, some require professional help. Seek a mechanic if:

• The light is flashing (indicating a severe misfire).
• You’re unsure how to interpret or fix the trouble code.
• The problem involves the transmission, catalytic converter, or internal engine components.
• Multiple codes appear simultaneously.
• The light keeps returning after repairs.

A certified technician has advanced tools and expertise to diagnose complex issues.

Conclusion

Resetting the check engine light on a 2013 Dodge Durango doesn’t have to be stressful. With the right approach, you can clear the warning safely and effectively. The best method is using an OBD2 scanner—it lets you diagnose the problem, fix it, and reset the light with confidence.

While disconnecting the battery or relying on drive cycles can work, they come with limitations and risks. Always prioritize understanding the root cause over simply making the light disappear.

By following this guide, you’ll not only reset the check engine light but also keep your Durango running smoothly for years to come. Remember: a little knowledge goes a long way—especially when it comes to your vehicle’s health.

Stay proactive, stay informed, and drive safe.