Auto Diagnostics in the Rogue Valley

Get clear answers before you spend money on repairs.

Technician performing an oil change underneath a lifted vehicle in an auto repair shop in the Rogue Valley

Who We Are

We are a local team serving drivers across the Rogue Valley with diagnostics-first auto care. At our Medford and Grants Pass locations, we combine hands-on experience with modern testing tools to pinpoint problems accurately. We treat you like a neighbor and your vehicle like it matters, because it does.

How Auto Diagnostics Help You

Know What’s Actually Wrong

We do not guess. We test systems, scan for codes, and confirm the root cause so you are not paying for unnecessary repairs.

Avoid Repeat Problems

Fixing symptoms without diagnostics often leads to the same issue coming back. We focus on the cause so your vehicle stays road-ready longer.

Make Informed Decisions

You will get a clear explanation of what we found, what it means, and what your options are before any work begins.

What’s Included in Our Diagnostic Process

Computerized Scanning

We connect to your vehicle’s onboard systems to read diagnostic trouble codes and identify where to start.

System Testing

Codes are just the beginning. We test components, wiring, and performance to confirm the real issue behind the warning.

Electrical & Drivability Checks

From battery and charging systems to sensors and engine performance, we track down problems that affect how your vehicle runs.

Visual Inspection

We look for wear, leaks, and damage that may not trigger a code but still impact performance or safety.

Clear Findings & Recommendations

You will get straightforward results with next steps explained in plain language so you can decide how to move forward.

Contact Us Today

Ready to find out what’s going on with your vehicle?
Schedule diagnostics at either of our Rogue Valley locations.

Grants Pass

(541) 476-6964

1661 NE 6th Street
Grants Pass, OR 97526
Mon – Fri: 8:00 AM – 5:30 PM

Medford

(541) 830-4005  

2990 Biddle Rd
Medford, OR 97504
Mon – Fri: 8:00 AM – 5:30 PM

Why Choose Kelly’s Automotive for Diagnostics

  • Diagnostics-first approach focused on finding the cause, not guessing
  • ASE-certified technicians with advanced testing experience
  • AAA Approved Auto Repair locations
  • NAPA AutoCare Center affiliation
  • Award-winning local team recognized across Southern Oregon
  • Two convenient locations serving the Rogue Valley


We focus on clear communication, accurate testing, and no surprises.

What You Can Expect

1. Schedule Your Visit

Call or book online. Let us know what symptoms you are noticing.

2. Initial Evaluation

We gather details about the issue and begin system scanning and testing.

3. In-Depth Diagnostics

Our technicians verify the root cause using tools and hands-on inspection.

4. Review Results With You

We explain what we found, what it means, and your repair options.

5. Move Forward With Confidence

You choose the next step. We handle repairs only after you approve the work.

See What Rogue Valley Drivers Say

Frequently Asked Questions

How much do auto diagnostics cost in the Rogue Valley?

Diagnostic costs vary based on the issue and how much testing is needed. We will explain the process upfront so you know what to expect before we begin.

Yes. Every visit starts with testing. We focus on finding the cause of the issue before recommending any repairs.

Many diagnostics can be completed the same day. More complex issues may take longer depending on testing and verification steps.

Bring your vehicle in as soon as possible. The light can signal anything from a minor issue to something that could affect performance or emission

Yes. Intermittent issues can be harder to track down, but we use testing and experience to isolate patterns and identify the cause.

Get Answers You Can Trust

If your vehicle is not running the way it should, start with diagnostics. We will help you understand what is going on and what to do next.