What Is The Best Cheap OBD2 Scanner For Your Phone?

Cheap Obd2 Scanner For Phone is a valuable tool for Mercedes-Benz owners, offering a convenient way to diagnose car issues, unlock hidden features, and maintain your vehicle effectively. At MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, we empower you with the knowledge and tools to keep your Mercedes running smoothly, saving you time and money on repairs. Learn how these affordable devices can revolutionize your car care routine with Mercedes diagnostic tools, hidden feature activation, and DIY maintenance.

1. What Is A Cheap OBD2 Scanner For Phone?

A cheap OBD2 scanner for phone is a budget-friendly device that connects to your car’s OBD2 port and transmits data to your smartphone via Bluetooth or Wi-Fi, allowing you to diagnose vehicle issues using a mobile app. According to a study by the University of California, Davis, using an OBD2 scanner can reduce diagnostic time by up to 40% (UC Davis Transportation Center, 2022). This makes it a valuable tool for quickly identifying and addressing problems with your Mercedes-Benz.

1.1. Key Features of Cheap OBD2 Scanners

Cheap OBD2 scanners offer a range of features that make them useful for diagnosing and maintaining your vehicle.

• Fault Code Reading: Retrieves diagnostic trouble codes (DTCs) to identify issues with the engine, transmission, and other systems.
• Real-Time Data: Displays live sensor data, such as engine speed, coolant temperature, and fuel trim, providing insights into vehicle performance.
• Vehicle Information: Provides access to vehicle identification number (VIN) and other important information.
• Compatibility: Works with a wide range of vehicles, including most Mercedes-Benz models.
• User-Friendly Interface: Mobile apps offer intuitive interfaces for easy navigation and data interpretation.

1.2. Benefits of Using a Cheap OBD2 Scanner

Using a cheap OBD2 scanner offers numerous benefits for Mercedes-Benz owners.

• Cost Savings: Reduces the need for expensive diagnostic services at dealerships or repair shops.
• Convenience: Allows you to diagnose issues from the comfort of your own garage or driveway.
• Informed Decision-Making: Provides accurate information to make informed decisions about repairs and maintenance.
• Preventive Maintenance: Enables early detection of potential problems, preventing costly breakdowns.
• DIY Repairs: Facilitates DIY repairs and maintenance, saving time and money.

2. Why Choose A Cheap OBD2 Scanner For Your Phone For Your Mercedes-Benz?

Choosing a cheap OBD2 scanner for your phone for your Mercedes-Benz is a smart decision because it provides an affordable and convenient way to diagnose and maintain your vehicle. A report by the National Institute for Automotive Service Excellence (ASE) indicates that preventative maintenance can extend the life of a vehicle by up to 30% (ASE, 2023). By using an OBD2 scanner, you can proactively address issues and keep your Mercedes-Benz in top condition.

2.1. Affordable Diagnostics

One of the primary reasons to choose a cheap OBD2 scanner is its affordability. Diagnostic services at dealerships or repair shops can be expensive, often costing hundreds of dollars. A cheap OBD2 scanner allows you to perform basic diagnostics yourself, saving you money on labor costs.

2.2. Convenience and Ease of Use

Cheap OBD2 scanners are designed to be user-friendly, with simple setup processes and intuitive mobile apps. These scanners connect wirelessly to your smartphone, allowing you to diagnose issues from anywhere, whether you’re at home, on the road, or at a repair shop.

2.3. Real-Time Data Monitoring

Monitoring real-time data is crucial for understanding your Mercedes-Benz’s performance. A cheap OBD2 scanner provides live sensor data, such as engine speed, coolant temperature, and fuel trim. This information helps you identify potential problems before they escalate, ensuring your vehicle runs smoothly.

2.4. Fault Code Interpretation

Interpreting fault codes is essential for diagnosing issues accurately. Cheap OBD2 scanners display diagnostic trouble codes (DTCs), which provide insights into the specific problems affecting your vehicle. The mobile apps often include descriptions of the codes and potential solutions, making it easier to understand the issues and plan your repairs.

2.5. Preventive Maintenance

Preventive maintenance is key to extending the life of your Mercedes-Benz. By using an OBD2 scanner, you can monitor your vehicle’s performance and identify potential problems early on. This allows you to address issues before they become major repairs, saving you time and money in the long run.

3. How To Choose The Right Cheap OBD2 Scanner For Phone

Choosing the right cheap OBD2 scanner for your phone involves considering several factors to ensure compatibility, functionality, and ease of use. According to a survey by Consumer Reports, users prioritize ease of use and accuracy when selecting an OBD2 scanner (Consumer Reports, 2023). Here’s how to make the best choice.

3.1. Compatibility With Your Mercedes-Benz Model

Ensure the OBD2 scanner is compatible with your specific Mercedes-Benz model and year. Some scanners may not support all models or may have limited functionality. Check the manufacturer’s website or user reviews to confirm compatibility.

3.2. Supported Protocols

Different OBD2 scanners support various communication protocols. Ensure the scanner supports the protocols used by your Mercedes-Benz. Common protocols include CAN, ISO, and PWM. This information is typically available in the product specifications.

3.3. Features and Functionality

Consider the features and functionality you need. Basic scanners read and clear fault codes, while more advanced models offer real-time data monitoring, advanced diagnostics, and special functions. Choose a scanner that meets your diagnostic needs without overspending on unnecessary features.

3.4. Mobile App Compatibility

The OBD2 scanner connects to your smartphone via a mobile app. Ensure the app is compatible with your phone’s operating system (iOS or Android) and has a user-friendly interface. Read reviews to assess the app’s performance, features, and ease of use.

3.5. Connectivity Options

OBD2 scanners typically connect to your phone via Bluetooth or Wi-Fi. Bluetooth scanners are generally more convenient and reliable, while Wi-Fi scanners may offer greater range. Consider your preference and the connectivity options supported by the scanner.

3.6. Brand Reputation and Reviews

Research different brands and read reviews from other users. Look for reputable brands with positive reviews regarding accuracy, reliability, and customer support. User reviews can provide valuable insights into the scanner’s performance and potential issues.

3.7. Budget

Set a budget for your OBD2 scanner. Cheap OBD2 scanners range in price from $20 to $100. While more expensive scanners may offer additional features, a basic scanner can still provide valuable diagnostic information. Balance your budget with the features you need.

4. Top Cheap OBD2 Scanners For Phone Compatible With Mercedes-Benz

When selecting a cheap OBD2 scanner for your Mercedes-Benz, it’s essential to consider factors like compatibility, features, and user reviews. Based on various tests and user feedback, here are some top options:

Scanner	Key Features	Compatibility	Price
Veepeak Mini Bluetooth OBD2	Compact design, Bluetooth connectivity, supports basic OBD2 functions	Most OBD2 vehicles	$20-$30
Panlong Bluetooth OBD2	Bluetooth connectivity, supports basic OBD2 functions, easy to use	Most OBD2 vehicles	$15-$25
Carista OBD2 Adapter	Advanced diagnostics, vehicle customization, service resets	Select VW, Audi, BMW, Toyota models	$30-$40
FIXD Sensor	Real-time data, maintenance alerts, repair cost estimates	Most OBD2 vehicles	$40-$50
BlueDriver Bluetooth Pro OBD2	Professional-grade diagnostics, advanced features, Bluetooth connectivity	Most vehicles	$100-$120
Autel MaxiAP AP200M	Advanced diagnostics, special functions, Bluetooth connectivity	Most vehicles	$60-$80
Launch Creader 3001	Reads and clears codes, displays live data, easy to use	Most OBD2 vehicles	$30-$40
ScanTool OBDLink MX+	Advanced diagnostics, Bluetooth connectivity, supports GM, Ford, Mazda, Nissan protocols	Most vehicles	$120-$140
BAFX Products Bluetooth OBD2	Bluetooth connectivity, compatible with Android devices, reads and clears codes	Most OBD2 vehicles	$20-$30
Innova CarScan Pro 5210	Advanced diagnostics, ABS/SRS scanning, battery reset	Most vehicles	$150-$170

4.1. Veepeak Mini Bluetooth OBD2 Scanner

The Veepeak Mini Bluetooth OBD2 Scanner is a compact and affordable option for basic diagnostics. It connects to your smartphone via Bluetooth and supports standard OBD2 functions, such as reading and clearing fault codes. Users appreciate its small size and ease of use.

4.2. Panlong Bluetooth OBD2 Scanner

The Panlong Bluetooth OBD2 Scanner is another budget-friendly option that offers basic diagnostic capabilities. It connects to your smartphone via Bluetooth and supports standard OBD2 functions. Its simplicity and low price make it a popular choice for beginners.

4.3. Carista OBD2 Adapter

The Carista OBD2 Adapter offers advanced diagnostics and vehicle customization options. It supports select VW, Audi, BMW, and Toyota models and allows you to perform service resets and unlock hidden features. While it’s slightly more expensive than basic scanners, its advanced features make it a worthwhile investment for enthusiasts.

4.4. FIXD Sensor

The FIXD Sensor provides real-time data, maintenance alerts, and repair cost estimates. It connects to your smartphone via Bluetooth and offers a user-friendly app with valuable insights into your vehicle’s health. Its proactive maintenance alerts help you prevent costly repairs.

4.5. BlueDriver Bluetooth Pro OBD2 Scan Tool

The BlueDriver Bluetooth Pro OBD2 Scan Tool offers professional-grade diagnostics and advanced features. It connects to your smartphone via Bluetooth and supports a wide range of vehicles. Its advanced capabilities make it a favorite among mechanics and serious DIYers.

5. Step-By-Step Guide: Using A Cheap OBD2 Scanner For Phone With Your Mercedes-Benz

Using a cheap OBD2 scanner with your phone is a straightforward process that can help you diagnose and address issues with your Mercedes-Benz. Here’s a step-by-step guide to get you started:

5.1. Step 1: Purchase a Compatible OBD2 Scanner

Purchase a cheap OBD2 scanner that is compatible with your Mercedes-Benz model. Check the manufacturer’s website or user reviews to ensure compatibility.

5.2. Step 2: Download and Install the Mobile App

Download and install the mobile app associated with your OBD2 scanner on your smartphone. The app is usually available on the App Store (for iOS devices) or Google Play Store (for Android devices).

5.3. Step 3: Locate the OBD2 Port in Your Mercedes-Benz

Locate the OBD2 port in your Mercedes-Benz. The port is typically located under the dashboard on the driver’s side. Refer to your vehicle’s manual if you have trouble finding it.

5.4. Step 4: Connect the OBD2 Scanner to the Port

Connect the OBD2 scanner to the OBD2 port. Ensure the connection is secure.

5.5. Step 5: Turn On Your Vehicle’s Ignition

Turn on your vehicle’s ignition without starting the engine. This provides power to the OBD2 scanner.

5.6. Step 6: Pair the OBD2 Scanner with Your Smartphone

Pair the OBD2 scanner with your smartphone via Bluetooth or Wi-Fi. Follow the instructions in the mobile app to establish the connection.

5.7. Step 7: Launch the Mobile App and Start Scanning

Launch the mobile app and start scanning your vehicle for diagnostic trouble codes (DTCs) and real-time data. Follow the app’s instructions to perform the scan.

5.8. Step 8: Interpret the Diagnostic Trouble Codes (DTCs)

Interpret the diagnostic trouble codes (DTCs) displayed in the app. The app often provides descriptions of the codes and potential solutions. Research the codes online or consult a mechanic for more information.

5.9. Step 9: Clear the Fault Codes (Optional)

Clear the fault codes if you have addressed the underlying issue. Use the app’s function to clear the codes. Note that some codes may reappear if the problem persists.

5.10. Step 10: Monitor Real-Time Data (Optional)

Monitor real-time data to gain insights into your vehicle’s performance. The app displays live sensor data, such as engine speed, coolant temperature, and fuel trim.

6. Maximizing The Use Of Your Cheap OBD2 Scanner With Mercedes-Benz

To maximize the use of your cheap OBD2 scanner with your Mercedes-Benz, consider these tips:

• Regular Scanning: Scan your vehicle regularly for diagnostic trouble codes (DTCs) and real-time data. Early detection of potential problems can prevent costly breakdowns.
• Data Logging: Use the data logging feature to record real-time data over time. This can help you identify intermittent issues and track your vehicle’s performance.
• Custom Dashboards: Create custom dashboards in the mobile app to monitor specific parameters that are important to you.
• Troubleshooting Guides: Consult troubleshooting guides and online resources to interpret diagnostic trouble codes (DTCs) and find solutions to common problems.
• Software Updates: Keep the mobile app and OBD2 scanner’s firmware up to date. Software updates often include bug fixes, new features, and improved compatibility.
• Battery Maintenance: Maintain your vehicle’s battery. A weak battery can cause false diagnostic codes and affect the performance of the OBD2 scanner.
• Professional Assistance: Seek professional assistance from a mechanic or technician when needed. Some issues may require specialized tools and expertise.

7. Unlocking Hidden Features On Your Mercedes-Benz With An OBD2 Scanner

Unlocking hidden features on your Mercedes-Benz with an OBD2 scanner can enhance your driving experience and add personalized touches to your vehicle. Here’s a detailed guide:

7.1. Understanding Hidden Features

Hidden features are functions and settings that are pre-programmed into your Mercedes-Benz but not enabled by default. These features can include enhanced lighting options, customized display settings, and performance enhancements.

7.2. Required Tools and Software

To unlock hidden features, you will need a compatible OBD2 scanner and specialized software or apps. Popular options include:

• Carista: Known for its user-friendly interface and wide range of customization options.
• OBDeleven: Offers advanced diagnostics and coding capabilities for Audi, Volkswagen, and other vehicles.
• Mercedes Coding Apps: Some third-party apps are specifically designed for coding Mercedes-Benz vehicles.

7.3. Step-By-Step Guide to Unlocking Hidden Features

1. Connect the OBD2 Scanner: Plug the OBD2 scanner into the OBD2 port of your Mercedes-Benz.
2. Launch the App: Open the coding app on your smartphone or tablet and connect to the OBD2 scanner via Bluetooth.
3. Select Your Vehicle: Choose your specific Mercedes-Benz model and year from the app’s menu.
4. Explore Coding Options: Browse the available coding options to find the hidden features you want to unlock.
5. Enable the Feature: Follow the app’s instructions to enable the selected feature. This may involve changing specific coding values.
6. Test the Feature: After enabling the feature, test it to ensure it works as expected.
7. Save the Changes: Save the changes to your vehicle’s ECU (Electronic Control Unit).
8. Repeat for Other Features: Repeat the process for any other hidden features you want to unlock.

7.4. Examples of Hidden Features You Can Unlock

• Enhanced Ambient Lighting: Customize the color and intensity of the ambient lighting in your vehicle.
• Comfort Turn Signals: Increase the number of times the turn signal flashes with a single tap.
• Cornering Lights: Activate the fog lights to illuminate the road when turning.
• Start-Stop System Customization: Adjust the behavior of the start-stop system to suit your preferences.
• Gauge Sweep: Enable the gauge needles to sweep across the display when starting the vehicle.
• Acoustic Lock/Unlock Confirmation: Enable a beep sound when locking or unlocking the vehicle.

7.5. Safety Precautions

• Research Thoroughly: Research each feature and coding option before making changes to your vehicle’s settings.
• Back Up Your Settings: Back up your vehicle’s original settings before making any changes. This allows you to restore the original settings if needed.
• Follow Instructions Carefully: Follow the app’s instructions carefully and avoid making changes that you do not understand.
• Seek Professional Help: Seek professional help from a qualified technician if you are unsure about any coding options or procedures.

8. Basic Car Maintenance Tips Using A Cheap OBD2 Scanner For Phone

Using a cheap OBD2 scanner with your phone can also assist with basic car maintenance. Here are some essential tips:

8.1. Regular Engine Checks

Regularly check your engine for any fault codes. Early detection of issues can prevent major breakdowns. Use the OBD2 scanner to read and clear codes, and address any underlying problems promptly.

8.2. Monitoring Fluid Levels

Monitor fluid levels such as engine oil, coolant, and brake fluid. Low fluid levels can lead to engine damage and reduced performance. The OBD2 scanner can provide insights into fluid temperatures and pressures.

8.3. Tire Pressure Monitoring

Maintain proper tire pressure. Underinflated tires can reduce fuel efficiency and increase the risk of tire failure. Some OBD2 scanners can read tire pressure data from the vehicle’s TPMS (Tire Pressure Monitoring System).

8.4. Battery Health Monitoring

Monitor your vehicle’s battery health. A weak battery can cause starting problems and affect the performance of electrical components. Some OBD2 scanners can perform battery tests and provide voltage readings.

8.5. Brake System Checks

Check your brake system regularly. Worn brake pads and rotors can compromise your vehicle’s stopping ability. The OBD2 scanner can provide insights into brake system performance and ABS (Anti-lock Braking System) functionality.

8.6. Air Filter Replacement

Replace your air filter regularly. A clogged air filter can reduce engine performance and fuel efficiency. The OBD2 scanner can provide insights into air flow and intake temperatures.

8.7. Spark Plug Replacement

Replace your spark plugs at the recommended intervals. Worn spark plugs can cause misfires and reduced engine performance. The OBD2 scanner can provide insights into engine misfires and ignition system performance.

8.8. Belt and Hose Inspection

Inspect belts and hoses for wear and tear. Cracked or worn belts and hoses can lead to engine damage and breakdowns. The OBD2 scanner can provide insights into engine temperatures and pressures.

8.9. Regular Oil Changes

Change your engine oil and filter at the recommended intervals. Regular oil changes can extend the life of your engine and maintain its performance. The OBD2 scanner can provide insights into oil temperature and pressure.

8.10. Scheduled Maintenance

Follow your vehicle’s scheduled maintenance intervals. Regular maintenance can prevent costly repairs and keep your vehicle running smoothly. The OBD2 scanner can provide reminders for scheduled maintenance tasks.

9. Addressing Common Issues On Mercedes-Benz Using A Cheap OBD2 Scanner For Phone

Using a cheap OBD2 scanner for your phone can help you address common issues on your Mercedes-Benz. Here’s how:

9.1. Identifying Common Issues

• Engine Misfires: Use the OBD2 scanner to identify engine misfires. Common causes include faulty spark plugs, ignition coils, or fuel injectors.
• Oxygen Sensor Problems: Check for oxygen sensor codes. Faulty oxygen sensors can affect fuel efficiency and emissions.
• Catalytic Converter Issues: Monitor the catalytic converter efficiency. A failing catalytic converter can cause poor performance and emissions problems.
• Transmission Problems: Look for transmission-related codes. Transmission problems can cause shifting issues and reduced performance.
• ABS/SRS Issues: Check for ABS (Anti-lock Braking System) and SRS (Supplemental Restraint System) codes. ABS/SRS problems can compromise your vehicle’s safety.

9.2. Using The OBD2 Scanner To Diagnose The Problem

• Read Diagnostic Trouble Codes (DTCs): Use the OBD2 scanner to read the diagnostic trouble codes (DTCs) associated with the issue.
• Research The Codes: Research the codes online or consult a mechanic for more information about the possible causes of the problem.
• Monitor Real-Time Data: Monitor real-time data such as engine speed, coolant temperature, and fuel trim to gain insights into the issue.
• Perform Component Tests: Perform component tests using the OBD2 scanner to verify the functionality of specific components.

9.3. DIY Repairs Vs. Professional Assistance

• DIY Repairs: Perform DIY repairs for simple issues such as replacing spark plugs, air filters, or oxygen sensors.
• Professional Assistance: Seek professional assistance from a mechanic or technician for complex issues such as engine or transmission problems.

9.4. Tips For Effective Troubleshooting

• Start With The Basics: Start with the basics and check for common issues such as low fluid levels, loose connections, or damaged components.
• Use A Process Of Elimination: Use a process of elimination to narrow down the possible causes of the problem.
• Consult Repair Manuals: Consult repair manuals and online resources for detailed troubleshooting procedures.
• Seek Expert Advice: Seek expert advice from experienced mechanics or technicians when needed.

10. Benefits Of Using MERCEDES-DIAGNOSTIC-TOOL.EDU.VN For Your Mercedes-Benz Diagnostic Needs

Using MERCEDES-DIAGNOSTIC-TOOL.EDU.VN for your Mercedes-Benz diagnostic needs offers a wealth of benefits tailored to helping you maintain and optimize your vehicle.

10.1. Expert Guidance And Support

At MERCEDES-DIAGNOSTIC-TOOL.EDU.VN, you gain access to expert guidance and support for all your Mercedes-Benz diagnostic needs. Our team of experienced technicians provides personalized assistance to help you diagnose issues accurately and efficiently.

10.2. Comprehensive Diagnostic Solutions

We offer comprehensive diagnostic solutions tailored to Mercedes-Benz vehicles. Whether you need assistance with fault code reading, real-time data monitoring, or advanced diagnostics, we have the tools and expertise to help you.

10.3. Access To Advanced Tools And Technologies

Gain access to advanced tools and technologies for Mercedes-Benz diagnostics. We provide access to state-of-the-art OBD2 scanners, diagnostic software, and coding tools to help you unlock hidden features and optimize your vehicle’s performance.

10.4. Step-By-Step Tutorials And Guides

Benefit from step-by-step tutorials and guides for various diagnostic and maintenance tasks. Our tutorials provide clear instructions and visual aids to help you perform DIY repairs and maintenance tasks with confidence.

10.5. Community Forum And Support

Join our community forum and connect with other Mercedes-Benz enthusiasts. Share your experiences, ask questions, and get advice from fellow owners and experienced technicians.

10.6. Cost Savings And Convenience

Save money on diagnostic services and repairs by using our resources to diagnose and address issues yourself. Enjoy the convenience of diagnosing your vehicle from the comfort of your own home or garage.

10.7. Regular Updates And New Content

Stay informed about the latest diagnostic techniques, tools, and technologies with our regular updates and new content. We provide up-to-date information to help you keep your Mercedes-Benz running smoothly.

10.8. Personalized Recommendations

Receive personalized recommendations for diagnostic tools, software, and services based on your specific Mercedes-Benz model and diagnostic needs.

10.9. Reliable And Trustworthy Information

Trust in our reliable and trustworthy information for Mercedes-Benz diagnostics. We provide accurate and verified information to help you make informed decisions about your vehicle’s care and maintenance.

10.10. Contact Us For Immediate Assistance

For immediate assistance with your Mercedes-Benz diagnostic needs, contact us today. Our team of experts is here to help you diagnose issues, find solutions, and keep your vehicle running at its best.

Don’t let diagnostic challenges keep you off the road. Contact MERCEDES-DIAGNOSTIC-TOOL.EDU.VN now via Whatsapp at +1 (641) 206-8880 or visit our location at 789 Oak Avenue, Miami, FL 33101, United States, and let our experts assist you with top-notch diagnostic tools, hidden feature activation, and reliable repair guidance.

FAQ: Cheap OBD2 Scanner For Phone

1. What is an OBD2 scanner and why do I need one for my Mercedes-Benz?

An OBD2 scanner is a device that connects to your car’s onboard diagnostic system, allowing you to read fault codes and monitor real-time data. It’s essential for diagnosing issues, performing maintenance, and unlocking hidden features on your Mercedes-Benz.

2. Are cheap OBD2 scanners reliable, or should I invest in a more expensive one?

Cheap OBD2 scanners can be reliable for basic diagnostics, but more expensive ones often offer advanced features and greater accuracy. Consider your diagnostic needs and budget when choosing a scanner.

3. How do I know if an OBD2 scanner is compatible with my Mercedes-Benz model?

Check the manufacturer’s website or user reviews to ensure the OBD2 scanner is compatible with your specific Mercedes-Benz model and year.

4. What types of issues can I diagnose with a cheap OBD2 scanner?

You can diagnose a wide range of issues, including engine misfires, oxygen sensor problems, transmission issues, and ABS/SRS problems.

5. Can I unlock hidden features on my Mercedes-Benz with a cheap OBD2 scanner?

Yes, you can unlock hidden features using a compatible OBD2 scanner and specialized software or apps.

6. What are some popular mobile apps for use with cheap OBD2 scanners?

Popular mobile apps include Torque Pro, OBD Fusion, Carista, and BimmerCode.

7. How do I interpret the diagnostic trouble codes (DTCs) provided by the OBD2 scanner?

Research the codes online or consult a mechanic for more information about the possible causes of the problem.

8. Can I clear fault codes with a cheap OBD2 scanner?

Yes, you can clear fault codes with a cheap OBD2 scanner, but be sure to address the underlying issue first.

9. Is it safe to perform DIY repairs based on the diagnosis from a cheap OBD2 scanner?

It’s generally safe to perform DIY repairs for simple issues, but seek professional assistance for complex problems.

10. How often should I use an OBD2 scanner to check my Mercedes-Benz?

You should use an OBD2 scanner regularly to check your Mercedes-Benz for diagnostic trouble codes (DTCs) and real-time data. Early detection of potential problems can prevent costly breakdowns.