What Can AutoZone Diagnose?

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AutoZone, a leading automotive parts retailer, offers a wide range of diagnostic services to help you get your vehicle back on the road. These services are not only reliable but are also free, making AutoZone a popular choice for those facing vehicle issues. This comprehensive guide will delve into the details of AutoZone’s diagnostic services, providing examples, reference points, and solutions to help you understand what AutoZone can diagnose.


AutoZone can diagnose a variety of vehicle issues through their free diagnostic service known as Fix Finder. This includes troubleshooting diagnostic codes and providing a custom report based on your vehicle’s specifics. Common issues that AutoZone can diagnose include warning lights like the Check Engine light, ABS, and maintenance indicators, as well as checking your alternator, starter, or battery.

AutoZone’s Diagnostic Services

AutoZone offers a free diagnostic service known as Fix Finder. This service is designed to troubleshoot diagnostic codes and provide a custom report tailored to your vehicle’s year, make, model, and mileage. The process involves three steps:

  1. An AutoZone team member plugs the Fix Finder tool into your car’s OBD (On-Board Diagnostics) port, pulling your vehicle information, fault code, and mileage.
  2. The data is analyzed to provide the most likely verified fix solutions for your specific vehicle based on millions of technicians’ records.
  3. These solutions are provided to you in a report.

In addition to the Fix Finder Service, AutoZone also offers free parts testing, which includes checking your alternator, starter, or battery.

What Can AutoZone Diagnose?

AutoZone can diagnose a variety of vehicle issues. Some of the common issues that can be diagnosed at AutoZone include:

  1. Check Engine Light: AutoZone’s Fix Finder Service can efficiently diagnose warning lights, including Check Engine, ABS, and maintenance indicators.
  2. Alternator, Starter, and Battery: AutoZone can check your alternator, starter, or battery.

Diagnostic Tools and Technology

AutoZone uses a variety of diagnostic tools and technology, including OBD2 code scanners, professional code readers, and diagnostic loaner/rental tools. Some of the top diagnostic tools offered by AutoZone include the Innova Diagnostic Tool, Launch Tech USA Millennium 70 Pro Diagnostic Scanner, and Innova Smart Diagnostic System Tablet.

How Reliable are AutoZone’s Diagnostic Services?

AutoZone’s diagnostic services are generally considered reliable and accurate for identifying basic issues with your vehicle. However, it’s important to note that the diagnostic check only provides a starting point for further investigation and may not pinpoint the exact cause of the problem.

Costs Associated with AutoZone’s Diagnostic Services

AutoZone offers diagnostic services free of charge. This includes the Fix Finder Service, as well as free testing for components like alternators, starters, and batteries.

Additional Services

After diagnosing a vehicle issue, AutoZone offers several additional services, including free testing for various car parts, their Loan-A-Tool program, repair help, and help finding a nearby repair shop.

Discounts and Promotions

While there are no specific discounts or promotions for diagnostic services, AutoZone does offer various coupons and promo codes for discounts on other products and services.

In conclusion, AutoZone’s diagnostic services can be a great starting point for identifying potential issues with your vehicle. Whether you’re dealing with a check engine light, a faulty alternator, or another issue, AutoZone’s Fix Finder Service can help you identify the problem and get you on the path to a solution.

Frequently Asked Questions

What hours does AutoZone offer these diagnostic services?

AutoZone typically offers these diagnostic services during their regular store hours. However, it’s recommended to check with your local AutoZone store for specific hours of operation.

Do I need to make an appointment for a diagnostic service at AutoZone?

No, AutoZone operates on a walk-in basis for diagnostic services. However, due to high demand, there may be a waiting period.

How long does the diagnostic service take at AutoZone?

The duration of the diagnostic service can vary based on the specific issue with your vehicle. However, a basic diagnostic test can usually be completed in 10-15 minutes.

Can AutoZone clear my check engine light?

Yes, AutoZone can help clear your check engine light. However, if the underlying issue causing the light to come on is not addressed, it may come back on.

Can I buy the necessary parts to fix my vehicle at AutoZone?

Yes, AutoZone carries a wide range of automotive parts and accessories. Once your vehicle’s issue has been diagnosed, AutoZone staff can assist you in finding the necessary parts to resolve the problem.

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