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How much is a diagnostic test at Honda?

Generally, a diagnostic test at a Honda dealership or authorized service center costs about $100–$150, with some locations charging up to $199. Costs vary by location, the depth of the test, and whether the work is performed during a service appointment.


Diagnostic testing can range from a quick OBD-II code scan to a full multi-system inspection. The price you pay depends on how thorough the check is and what systems are involved. Here is a closer look at what you should expect when you ask a Honda dealer or shop for a diagnostic.


What a diagnostic test typically covers at Honda


What the diagnostic tests may involve can vary, but generally you can expect the following levels of service:



  • OBD-II code retrieval and basic fault analysis, which identifies stored codes and basic symptoms.

  • Live data monitoring from engines, transmission, sensors, and control modules to verify operation and monitor fault codes.

  • Electrical system checks, including wiring, connectors, fuses, and control modules across relevant systems.

  • Multi-system diagnostics for engine, transmission, ABS, airbags and other vehicle networks, when codes point to cross‑system issues.

  • Software updates or recalls, which may be attempted if applicable; recall-related work can be free of charge under manufacturer warranty.


Understanding these steps helps you gauge the scope and potential cost of the diagnostic and any subsequent repair.


How the diagnostic is conducted


In practice, technicians typically start with a baseline scan and then progress to targeted tests based on the vehicle’s symptoms and any fault codes. The depth of the test depends on how clear the codes are and how many systems might be affected.


Typical price ranges and what affects them


Prices are not fixed and depend on several factors. Here is a rough guide to what you might pay:



  • Dealer or authorized Honda service center: typically about $100–$150, with some locations charging up to about $199 or more for comprehensive diagnostics.

  • Independent auto repair shop with Honda experience: often around $70–$120, depending on region and shop policy.

  • Free diagnostic promotions or price credits: some shops waive the diagnostic fee if you authorize the recommended repair; others offer discounts or free scans as part of promotions.

  • What’s included in the diagnostic: always ask what is included (code retrieval, live data, and scope) and whether the fee is applied toward any repair if you proceed.


Prices vary by dealership and region; always confirm the diagnostic fee upfront and ask whether it will be credited toward any repair if you proceed with service.


Summary


Diagnostic test costs at Honda service centers generally fall in the $100–$150 range, but can be higher depending on location and the test’s depth. Independent shops may be less, and promotions can affect the final price. Always request a written upfront estimate, clarify what tests are included, and confirm whether the fee is refundable or credited toward repair if you proceed. For the most accurate quote, contact your local Honda dealer or authorized service center.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.