Diagnostics

Vehicle Diagnostics in Sheffield

When a warning light illuminates on your dashboard, this indicates that a sensor within your vehicle has detected a fault. Whether this is a mechanical failure or an electrical one, a diagnostic test can identify where the fault is and allow us to correct it.

The diagnostic process we at TM Automotive go through begins with a fault code scan. This scan brings up vehicle specific codes that provide us with a reference point for further testing. The second point in the process is to identify whether the sensor that identified the fault is reading the data correctly. For this we can use a host of equipment, from engine timing and compression testing equipment to oscilloscope tests that look at the wave forms of individual sensors, similar to a heart rate monitor.

From our well-equipped premises, we offer our customers access to the latest diagnostic equipment which enables us to accurately diagnose faults on any make and model of vehicle. We also have the ability to create fault reports allowing you to see the faults that are causing issues currently and faults that could potentially cause issues in the future providing you with ample time for warning.

checking the computer

What Happens After We Diagnose the Problem

Once our diagnostic process has been completed and we have identified the root cause of the fault, we will contact you to explain our findings. This will allow us to explain the fault to you and go through any repair options for you to choose from. From there we use only the highest quality aftermarket parts to carry out the repair to ensure your vehicle stays in great working order.

(https://www.gov.uk/government/publications/counterfeit-vehicle-parts/think-before-you-buy-counterfeit-vehicle-parts)

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    What People Say

    We are rated 4.9 out of 5 from 104 reviews on google logo. To see all the reviews, click here.
    How do you know that we will give you the service you need at a price that won’t break the bank? Customer feedback! Our philosophy is that we offer a service to people that we would like to receive ourselves. It seems to have worked because 100% of our customers would come back to us, and 100% would recommend us.
    Stephen Ramsden
    five stars
    3 June 2025

    Excellent service from experienced mechanics. Very polite and professional throughout.
    Not only did they fix the issue with the tensioner on my car, but also spent time to help me identify where a knocking noise was coming from.
    Didn’t try to sell me anything, in fact charged less than initially quoted, and gave me some good advice. I’d definitely use them again for any future car servicing!

    Sam Livingstone
    five stars
    17 April 2025

    I had an excellent experience at TM Automotive! From the moment I walked in, I could tell they were a team that truly cares about their customers. The staff is incredibly friendly and made sure I understood everything going on with my car. They were honest about what needed to be done and didn’t try to upsell me on unnecessary services. It’s hard to find a trustworthy garage these days, but I felt completely at ease with TM Automotive…

    Ruth Perrelli
    five stars
    5 April 2025

    As a single woman I always worry when I take my car into a garage because I worry about being ripped off. TM Automotive didn’t let me down, I got a good price, excellent service and felt totally at ease. I would recommend them to anyone.

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