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(314) 544-7600

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Monday to Friday

From 8:00am – 4:30pm

Expert Diagnostics and Modular Programming in St. Louis, MO

Precision Solutions for Your Vehicle
At Fitz’z Automotive Service, we offer expert diagnostics and modular programming services in St. Louis, MO, to ensure your vehicle performs at its best. Our skilled technicians use advanced diagnostic tools and programming techniques to address issues and optimize your vehicle’s performance.
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We run vehicle diagnostics and modular programming for various vehicle makes.

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Advanced Technology

We accurately diagnose issues and perform modular programming for your vehicle.

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Tailored Solutions

We provide customized solutions tailored to your vehicle's specific.

How to Get Started with Fitz'z Service

Take a Look at Our Process
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Schedule an Appointment

Contact us to schedule your appointment for diagnostics and programming services.

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Vehicle Inspection

Our team will perform a thorough inspection of your vehicle to determine the necessary repairs.

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Service Completion

We'll ensure that your vehicle is running smoothly and safely before returning it to you.

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View Examples of Our Diagnostics and Modular Programming Work


Have Questions About Our Services?
My vehicle was recently broken into, and my steering column was damaged. Can you provide an estimate for the repairs?
We will perform a complete diagnosis of your steering column while testing and inspecting all the components and provide you with an estimate for the repairs, including parts, labor, and tax.
Vertical play in the steering column of an older vehicle could be indicative of several potential issues. It’s essential to address this concern promptly to ensure safe and reliable operation. Here are a few possible reasons for the vertical play:
  1. Worn Steering Column Components
  2. Loose or Worn Steering Shaft Coupling
  3. Faulty Steering Column Mounting
  4. Steering Gearbox or Rack Wear
  5. Other Suspension or Steering Component Issues
To determine the exact cause of the vertical play in your vehicle’s steering column, we recommend consulting with a qualified Fitz’z Service automotive technician. They can perform a thorough inspection of the steering system and provide you with an accurate diagnosis and repair recommendations. Addressing the issue promptly will help ensure the safety and reliability of your vehicle.

Yes, it’s not uncommon for Advanced Driver Assistance Systems (ADAS) like Lane Keep Assist to require recalibration after windshield replacement. These systems rely on cameras and sensors mounted near the windshield to function properly, so any change to the windshield can affect their alignment and performance. Here’s what you need to know about recalibrating your Lane Keep Assist system:
By prioritizing the recalibration of your Lane Keep Assist system with Fitz’z Service after windshield replacement, you can ensure that this important safety feature continues to function effectively, helping to keep you and your passengers safe on the road.

We can certainly help diagnose and repair the issue causing your check engine light to illuminate. Our experienced technicians utilize advanced diagnostic tools and techniques to accurately identify the underlying problem. Once the issue is diagnosed, we’ll provide you with a detailed explanation of the problem and the necessary repairs needed to resolve it. Rest assured, we’re committed to getting your vehicle back on the road safely and efficiently. Please give us a call or stop by our location to schedule an appointment. Thank you for considering us for your automotive needs!
My battery keeps dying, and I must jump-start my vehicle constantly. Can you please tell me why?
Yes, we can. Electrical issues are one of our specialties, and we are able to determine the specific reason for your battery draw and make any necessary electrical or wiring repairs.

An airbag light illuminated on your dashboard indicates a potential issue with the airbag system in your vehicle. The airbag system is a critical safety feature designed to deploy in the event of a collision, providing protection for occupants. When the airbag light comes on, it means there is a fault detected within the system that needs to be addressed.

Here are several possible reasons why the airbag light may be illuminated:

  1. Faulty Airbag Sensor
  2. Defective Clock Spring
  3. Loose Wiring Connections
  4. Faulty Airbag Module
  5. Previous Accident or Collision Regardless of the cause, it’s essential to address an illuminated airbag light promptly. A malfunctioning airbag system may not deploy properly in the event of a collision, compromising occupant safety. We recommend having your vehicle inspected by a certified Fitz’z technician who can diagnose the issue and perform any necessary repairs to ensure the proper functioning of the airbag system.
Yes, we can definitely help with programming a new key FOB for your vehicle! Our experienced technicians are skilled in handling key FOB programming for a wide range of vehicles. Please give us a call or stop by our location, and we’ll be happy to assist you further and get you set up with a new key FOB programmed specifically for your vehicle. Thank you for considering us for your automotive needs!
Yes, we can assist you with fixing the issue of your key not turning in the ignition. This problem can occur due to various reasons, such as a worn-out key, a faulty ignition switch, or issues with the steering column lock. Our experienced technicians will thoroughly inspect your vehicle to determine the root cause of the problem and then provide the necessary repairs to fix it. Whether it’s repairing the ignition switch, replacing the key, or addressing any other related issue, we’re here to help. Please contact us or visit our location, and we’ll work to resolve the issue promptly so you can get back on the road safely.

Ready to Optimize Your Vehicle’s
Performance in St. Louis, MO?

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