How to Reset Check Engine Light on 2014 Kia Soul

This guide walks you through how to reset the check engine light on a 2014 Kia Soul using simple methods like disconnecting the battery or using an OBD2 scanner. Always diagnose the issue first to avoid recurring problems and ensure your vehicle runs smoothly.

Key Takeaways

  • Diagnose the problem first: Never reset the check engine light without identifying and fixing the underlying issue, such as a loose gas cap or faulty oxygen sensor.
  • Use an OBD2 scanner for accuracy: This tool reads error codes and safely resets the light, giving you insight into what triggered the warning.
  • Battery disconnection is a quick fix: Disconnecting the negative terminal for 10–15 minutes can reset the ECU and clear the light, but may also reset radio settings.
  • Driving cycles may clear minor issues: After repairs, driving your Kia Soul under normal conditions for a few days can allow the system to self-clear the light.
  • Check the gas cap regularly: A loose or damaged gas cap is a common cause of the check engine light and is easy to fix.
  • Visit a mechanic if the light returns: Persistent or flashing lights indicate serious problems that require professional diagnosis.
  • Keep records of repairs and resets: Documenting issues helps track recurring problems and supports future maintenance.

How to Reset Check Engine Light on 2014 Kia Soul

If you’ve noticed the dreaded check engine light glowing on your 2014 Kia Soul’s dashboard, you’re not alone. This warning light can appear for dozens of reasons—some minor, like a loose gas cap, and others more serious, like a failing catalytic converter. While it’s tempting to ignore it or hope it goes away, the check engine light is your car’s way of saying, “Hey, something needs attention.”

The good news? Resetting the check engine light on a 2014 Kia Soul is straightforward, especially once you’ve addressed the root cause. In this comprehensive guide, you’ll learn multiple methods to reset the light—from simple DIY fixes to using diagnostic tools. We’ll also cover how to interpret error codes, avoid common mistakes, and know when it’s time to visit a mechanic.

Whether you’re a first-time car owner or a seasoned DIYer, this step-by-step guide will help you confidently manage your Kia Soul’s check engine light. Let’s get started.

Understanding the Check Engine Light

How to Reset Check Engine Light on 2014 Kia Soul

Visual guide about How to Reset Check Engine Light on 2014 Kia Soul

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Before jumping into reset methods, it’s important to understand what the check engine light actually means. On your 2014 Kia Soul, this light—officially called the Malfunction Indicator Lamp (MIL)—is part of the vehicle’s onboard diagnostic system (OBD2). When the engine control unit (ECU) detects a problem with the engine, emissions, or related systems, it triggers the light to alert you.

The light can appear in two forms:
Steady (solid) light: Indicates a non-critical issue that should be checked soon, such as a faulty oxygen sensor or loose gas cap.
Flashing light: Signals a severe problem, like engine misfire, that can damage the catalytic converter if ignored. Pull over safely and seek immediate help.

Ignoring the light, especially if it’s flashing, can lead to reduced fuel efficiency, increased emissions, and costly repairs down the road. That’s why diagnosing the issue before resetting the light is crucial.

Step 1: Diagnose the Problem First

Resetting the check engine light without fixing the underlying issue is like putting a bandage on a broken bone—it might hide the symptom, but the problem remains. The first and most important step is to identify what caused the light to come on.

Check the Gas Cap

One of the most common—and easiest—fixes is the gas cap. If it’s loose, cracked, or missing, fuel vapors can escape, triggering the check engine light.

What to do:
– Turn off the engine and let the car cool.
– Open the fuel door and unscrew the gas cap.
– Inspect it for cracks, wear, or damage.
– Tighten it until you hear it click 2–3 times.
– Drive for 50–100 miles. The light may turn off on its own.

Tip: If the cap looks damaged, replace it with an OEM (original equipment manufacturer) part for a proper seal.

Use an OBD2 Scanner to Read Error Codes

An OBD2 scanner is a small, affordable device that plugs into your car’s diagnostic port and reads trouble codes stored in the ECU. These codes (like P0420 or P0171) tell you exactly what system is malfunctioning.

Where to find the OBD2 port on a 2014 Kia Soul:
– Open the driver’s side door.
– Look under the dashboard, near the steering column.
– The port is usually a 16-pin connector, about the size of a USB port.

How to use the scanner:
1. Turn the ignition to the “ON” position (don’t start the engine).
2. Plug the OBD2 scanner into the port.
3. Follow the scanner’s prompts to read codes.
4. Write down the code(s) and look them up online or in the scanner’s manual.

Example: Code P0455 indicates a large evaporative emission leak—often caused by a faulty gas cap.

Tip: Many auto parts stores (like AutoZone or O’Reilly) offer free code reading if you don’t own a scanner.

Common Causes of the Check Engine Light on a 2014 Kia Soul

Here are some frequent culprits:
– Loose or damaged gas cap
– Faulty oxygen (O2) sensor
– Mass airflow (MAF) sensor issues
– Spark plug or ignition coil problems
– Catalytic converter inefficiency
– EVAP system leaks

Once you’ve identified and fixed the issue, you can safely proceed to reset the light.

Step 2: Method 1 – Use an OBD2 Scanner to Reset the Light

Using an OBD2 scanner is the most reliable and recommended way to reset the check engine light. It ensures the ECU clears all stored codes and resets the system properly.

What You’ll Need

– OBD2 scanner (basic models start around $20)
– 2014 Kia Soul with ignition access

Step-by-Step Instructions

Step 1: Turn off the engine and ensure the key is removed from the ignition.

Step 2: Locate the OBD2 port under the dashboard on the driver’s side.

Step 3: Plug the OBD2 scanner into the port. Make sure it’s fully seated.

Step 4: Turn the ignition to the “ON” position (do not start the engine). This powers the scanner and ECU.

Step 5: Follow the scanner’s menu to select “Read Codes” or “Scan.” Wait for the results.

Step 6: After reviewing the codes, select “Clear Codes” or “Reset” from the menu. Confirm the action.

Step 7: Turn off the ignition and unplug the scanner.

Step 8: Start the engine. The check engine light should be off.

Tip: If the light returns within a few days, the problem wasn’t fully resolved. Recheck the codes and inspect related components.

Benefits of Using an OBD2 Scanner

– Accurate diagnosis of the issue
– Safe and complete reset of the ECU
– Ability to monitor live data (on advanced models)
– Prevents accidental system errors

Troubleshooting Scanner Issues

Scanner won’t connect: Ensure the ignition is on and the port is clean. Try reinserting the scanner.
Codes won’t clear: Some scanners require the engine to be off. Check the manual.
Light comes back on: The underlying issue persists. Recheck repairs.

Step 3: Method 2 – Disconnect the Battery

If you don’t have an OBD2 scanner, disconnecting the car battery is a common DIY method to reset the check engine light. This process resets the ECU by cutting power, which clears temporary memory and error codes.

Warning: This method may also reset your radio presets, clock, and anti-theft system. Have your radio code handy if required.

What You’ll Need

– Socket wrench or adjustable wrench
– Safety gloves and glasses
– 10–15 minutes of time

Step-by-Step Instructions

Step 1: Park your Kia Soul on a flat surface and turn off the engine.

Step 2: Open the hood and locate the battery. On the 2014 Kia Soul, it’s on the right side of the engine bay.

Step 3: Identify the negative terminal (marked with a “-” sign and usually black).

Step 4: Use the wrench to loosen the nut on the negative terminal clamp. Do not remove the positive terminal.

Step 5: Carefully disconnect the negative cable and move it away from the battery. Secure it with a zip tie or tape to prevent contact.

Step 6: Wait 10–15 minutes. This allows the ECU to fully discharge and reset.

Step 7: Reconnect the negative cable and tighten the nut securely.

Step 8: Close the hood and start the engine. The check engine light should be off.

Tip: Drive the car for 50–100 miles to allow the ECU to relearn driving patterns and complete self-tests.

When This Method Works Best

– After fixing a minor issue like a loose gas cap
– When you don’t have access to an OBD2 scanner
– For clearing temporary glitches

Limitations

– May not clear all codes, especially persistent ones
– Resets other systems (radio, clock, etc.)
– Less precise than using a scanner

Step 4: Method 3 – Drive the Vehicle (Natural Reset)

Sometimes, the check engine light will turn off on its own after the problem is fixed. This is called a “natural reset” and occurs when the ECU completes a series of self-tests, known as drive cycles.

What Is a Drive Cycle?

A drive cycle is a specific pattern of driving that allows the vehicle’s onboard computer to test various systems. Once all tests pass, the ECU clears the codes and turns off the light.

Recommended Drive Cycle for 2014 Kia Soul

Follow this sequence to help complete the drive cycle:
1. Start the engine and let it idle for 2–3 minutes (cold start).
2. Drive at 30–40 mph for 3–5 minutes.
3. Accelerate to 50–60 mph and maintain speed for 5–10 minutes.
4. Slow down and stop. Let the engine idle for 1–2 minutes.
5. Repeat the cycle 2–3 times over a few days.

Tip: Avoid short trips. The ECU needs sustained driving to complete tests.

When This Method Works

– After replacing a gas cap
– Minor sensor glitches
– Temporary emissions issues

Limitations

– Takes time (days or weeks)
– Won’t work if the problem persists
– Not reliable for serious issues

Step 5: Method 4 – Use a Code Reader App with Bluetooth

For tech-savvy owners, a Bluetooth OBD2 adapter paired with a smartphone app offers a modern, convenient way to reset the check engine light.

What You’ll Need

– Bluetooth OBD2 adapter (e.g., BlueDriver, OBD Fusion)
– Smartphone with compatible app (iOS or Android)

Step-by-Step Instructions

Step 1: Plug the Bluetooth adapter into the OBD2 port.

Step 2: Turn the ignition to “ON.”

Step 3: Open the app and pair it with the adapter via Bluetooth.

Step 4: Tap “Scan” to read trouble codes.

Step 5: After fixing the issue, tap “Clear Codes” or “Reset.”

Step 6: Turn off the ignition and unplug the adapter.

Step 7: Start the engine to confirm the light is off.

Tip: Apps like Torque Pro offer live data, graphs, and code definitions—great for ongoing monitoring.

Troubleshooting Common Issues

Even after resetting, the check engine light may return. Here’s how to handle common problems.

Light Comes Back On Immediately

– The issue wasn’t fixed. Recheck the gas cap, sensors, or wiring.
– The ECU hasn’t completed self-tests. Drive through a full drive cycle.

Light Flashes After Reset

– Indicates a severe misfire. Stop driving and seek professional help immediately.

Radio or Clock Resets After Battery Disconnect

– Enter your radio code (found in the owner’s manual or glove box).
– Reset the clock via the infotainment system.

OBD2 Scanner Shows “No Communication”

– Check the fuse for the OBD2 port (usually in the cabin fuse box).
– Ensure the scanner is compatible with your vehicle.

When to See a Mechanic

While many check engine light issues are DIY-friendly, some require professional attention.

Visit a mechanic if:
– The light is flashing.
– The light returns after multiple resets.
– You hear unusual noises (knocking, rattling).
– The car runs rough, stalls, or loses power.
– You’re unsure about the diagnosis.

A certified Kia technician can perform advanced diagnostics, such as smoke testing for EVAP leaks or inspecting the catalytic converter.

Preventing Future Check Engine Light Issues

An ounce of prevention is worth a pound of cure. Keep your 2014 Kia Soul running smoothly with these tips:

Check the gas cap after every fill-up. Make sure it’s tight and undamaged.
Follow the maintenance schedule. Replace spark plugs, air filters, and oxygen sensors as recommended.
Use quality fuel. Low-octane or contaminated fuel can trigger sensors.
Inspect hoses and wiring. Look for cracks, leaks, or corrosion under the hood.
Keep the OBD2 port clean. Dust and moisture can interfere with scanners.

Conclusion

Resetting the check engine light on your 2014 Kia Soul doesn’t have to be stressful. By diagnosing the issue first—whether it’s a loose gas cap or a faulty sensor—you can choose the best reset method for your situation. Using an OBD2 scanner is the most accurate and reliable approach, while battery disconnection offers a quick DIY fix. In some cases, simply driving the car normally will clear the light after repairs.

Remember, the check engine light is a warning, not a death sentence. Addressing problems early saves money, improves performance, and keeps your Kia Soul on the road for years to come. Keep this guide handy, stay proactive with maintenance, and don’t hesitate to consult a professional when needed.

Your car takes care of you—now you know how to take care of it.