Our process moves in three clear stages: thorough testing with advanced, manufacturer-level equipment, a plain-language walkthrough of what we found, and then your decision on what happens next. Nothing is rushed, and no work is ever done without your approval.
1. Schedule Your Appointment
Whether scheduling online or over the phone be sure and let us know what you're experiencing so we can provide fast and accurate service advice.
2. Diagnostics and Inspections
Drop off your vehicle and the shop will get to work with inspections and diagnostics using the same equipment as the manufacturers to determine issues and next steps.
3. Digital Vehicle Inspection Report and Estimate
Following the diagnosis we will text you a digital vehicle inspection report, containing pictures and videos of our findings and recommendations.
4. Review and Approval
A service advisor will reach out to walk you through the findings and recommendations to determine how you would like to proceed, or you can approve work directly in your DVI.
5. Work Performed or Scheduled
Most work can be completed immediately, or scheduled based on parts and customer availability.
Vehicles we service receive a free Digital Vehicle Inspection (DVI) report that includes actual photos taken during the testing process. The report outlines what we found and what we recommend, so you have the information you need to decide what’s right for your vehicle.
Want to understand what’s happening under the hood? Here’s how your vehicle’s onboard computer communicates and what it takes to interpret those signals accurately.
What Diagnostic Trouble Codes Actually Tell Us
Diagnostic trouble codes, or DTCs, are alphanumeric codes generated by your vehicle’s onboard computer when it detects a reading outside its expected range. An OBD-II scan tool can pull those codes in seconds. What it can’t do is tell you which of several possible causes is responsible. A code flagging an emissions issue, for example, could point to an oxygen sensor, a mass airflow sensor, a vacuum leak, or something further upstream. The code is a starting point, not a conclusion.
Our technicians use the code as a direction, then work through the system to find the actual source of the problem before recommending any repair.
Schedule Vehicle Testing in Irving
Bring your vehicle in and we’ll test it with advanced, manufacturer-level equipment, walk you through our findings with the Digital Vehicle Inspection (DVI) report, and wait for your go-ahead before touching anything. Our complimentary shuttle service means you don’t have to wait at the shop while we work.
Call us at (972) 346-1109 or use our online contact form to schedule your appointment. No pressure, no surprises.
Systems Covered During Vehicle Testing
Testing isn’t limited to the engine. Your vehicle’s onboard computer monitors a range of interconnected systems, and drivability issues can originate in any of them.
- Engine: Fuel delivery, ignition timing, sensor performance, and emissions-related components including oxygen sensors and mass airflow sensors
- Transmission: Shift behavior, solenoid function, and communication between the transmission control module and the engine
- Emissions system: Catalytic converter efficiency, evaporative emission controls, and exhaust sensor readings
- Electrical system: Battery output, charging system performance, and module communication across the vehicle’s network
A warning light is the most obvious prompt for testing, but it isn’t the only one. Rough running, hesitation under acceleration, or a vehicle that simply doesn’t feel right can all point to a system operating outside its normal range. Testing gives us a clear picture of what’s happening before any repair decision is made.
Your Local Christian Brothers Amenities
FAQs
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Q. "What does a vehicle test do?"
Today’s vehicles are more advanced than ever. They’re essentially computers on wheels, with complex systems controlling everything from performance and safety to comfort and efficiency. When a warning light comes on or something feels off, our testing process takes a deep dive into these systems to identify the real issue, not just a surface-level code. This thorough approach goes far beyond a quick parts-store scan and helps ensure repairs are accurate, effective, and long-lasting.
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Q. "How long does a vehicle test take?"We believe in doing things right, not rushing through them. While some tests can be completed quickly, others take more time, depending on the concern. Our priority is accuracy, so you can feel confident in the results and the next steps. We’ll always keep you informed along the way, giving you peace of mind on the road to the people and places that matter most.
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Q. "When should I get a vehicle test?"
Vehicle testing is essential anytime a warning light comes on, your vehicle feels different, or during routine maintenance visits. Regular testing helps catch small issues before they become bigger problems, keeping your car safe, reliable, and running at its best.
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Q. "Do you offer a shuttle service?"Yes! we understand you have a full schedule. Whether you need to get to work, school, or need to attend to other responsibilities, we can take you where you need to go. Click here to learn more.
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Q. "Do you offer a warranty?"As part of our Nice difference.® commitment to providing our customers the best auto service experience possible, we also offer a 3-year/36,000-mile warranty on all the work that we do. We offer this warranty at every Christian Brothers Automotive nationwide, and it will be honored at any location, regardless of which branch did the initial work.
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Q. "Can you provide service under my extended warranty?"Yes. At Christian Brothers Automotive, we work with all major extended warranty providers to make needed repairs for our customers. If you have an extended warranty, you can discuss your carrier with our team when scheduling an appointment and confirm that the work will be covered. You can find a partial list of the extended warranty companies we work with here.
Have more Questions?
Our friendly auto service experts have the answers.
Call your local Christian Brothers Automotive car shop today
Hear What Our Customers Had to Say About Us
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"I liked the customer service and going above and beyond to make sure I was comfortable while waiting in the store for my vehicle work to be done, specifically being offered a nice hot coffee with creamer."
- J.L.