What is checked during an MOT test?

Navigating MOT Failure: Minor Faults & Beyond

06/04/2021

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The annual MOT test is a crucial assessment for every vehicle on UK roads, designed to ensure it meets minimum safety and environmental standards. It's a moment of truth for many drivers, and the thought of an MOT failure can be daunting. But what exactly constitutes a 'fail', and can your car genuinely pass with a minor fault? Understanding the nuances of MOT defect categories is key to navigating this essential check-up. As vehicles age, their numerous vital components, in near-constant use, inevitably experience gradual deterioration. This natural wear and tear is precisely why regular servicing and proactive maintenance are not just recommended, but absolutely essential in advance of your MOT test.

Can I get an MOT test a month before my certificate expires?
Yes, you can get an MOT test done up to one month before your current certificate expires, and the additional time will be added to your new certificate. Is there a difference between the Mot Grace Period and the grace period for vehicle tax?
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Understanding Your MOT Result: Pass or Fail?

Once your mechanic concludes the MOT test, you'll receive the result immediately. If your vehicle successfully passes, the garage will issue you with a VT20 pass form, process the payment, and you'll be set to go. However, if your car fails its MOT, you will be issued with a ‘refusal’ of an MOT certificate, documented on a VT30 form. Your mechanic will then typically take the time to talk you through the specific reasons why your car did not meet the required standards.

Deciphering MOT Defect Categories: Minor, Major, Dangerous, and Advisory

The MOT test classifies any identified issues into distinct categories, each carrying different implications for your vehicle's pass or fail status. There are four main types of faults: minor, major, dangerous, and advisory. It's crucial to understand the distinction between these as only some will lead to an immediate MOT failure.

Minor MOT Defects: Can You Still Pass?

This is the question on many drivers' minds: can a car pass the MOT with a minor defect? The straightforward answer is, yes, rest assured that your car can still pass the MOT with a minor defect. These problems indicate an issue that needs repairing but are not serious enough to cause an immediate MOT failure. Minor defects typically involve one or more components that have suffered slight damage or wear but are still functioning adequately. For instance, a rear registration plate lamp that isn’t working perfectly, or a minor obstruction in the driver’s field of view, could be classed as a minor defect. While these issues won't result in a fail, they should be addressed as soon as practically possible to prevent them from escalating into more serious problems. It's worth noting that minor defects are not as common as one might think; often, worn or damaged components are more likely to be categorised as major defects or as an advisory item.

Major MOT Defects: The Instant Fail

In contrast to minor faults, major MOT defects will cause an instant MOT fail. These are issues that are considered failure items but are not yet deemed 'dangerous'. You will not pass the test until these defects have been rectified. Major faults pose an immediate safety risk, making it imperative that they are fixed right away. Examples of major defects include a faulty shock absorber, an exhaust system with a substantial fluid leak, windscreen wipers or washers not working properly, or excessively worn brake pads. Driving with a major defect not only makes your vehicle unsafe but also means it is not legally roadworthy.

Dangerous MOT Defects: Off the Road Immediately

The most serious of the failure notices, a dangerous defect, will lead to an instant fail and has severe implications. If your vehicle is found to have a dangerous defect, you will be unable to drive the car until the problem is repaired. The presence of a dangerous defect invalidates any remaining days on your current MOT certificate, meaning your vehicle is no longer roadworthy or safe to drive. Examples of dangerous defects that must be repaired right away include significantly worn brake pads or lining, or a fractured wheel. Driving a vehicle with a dangerous defect is illegal and extremely hazardous.

Advisory Notices: Potential Future Problems

In addition to the formal MOT defect categories, MOT testers can also declare faults as 'advisories'. An advisory notice is given when the tester believes that a fault may soon become apparent or could worsen over time. While an advisory will not cause your vehicle to fail the MOT test, it serves as a warning. Your vehicle will still pass the MOT with these potential defects, but it is highly recommended to rectify the issue as soon as possible. Ignoring advisories could lead to a major or dangerous defect, resulting in a failure in a future MOT test. Examples include a worn shock absorber bushing or a tyre with around 1.6mm tread depth – which is the minimum legal limit.

Here’s a comparative overview of the MOT defect categories:

Defect CategoryImpact on MOT Pass/FailSeverityAction RequiredExamples
AdvisoryPasses MOTMinor (potential future issue)Monitor and repair as soon as possibleWorn shock absorber bushing, tyre nearing legal tread limit
MinorPasses MOTMinor (needs repair, but not critical)Repair as soon as possibleFaulty registration plate lamp, minor obstruction in view
MajorFails MOTSignificant (immediate safety risk)Must be repaired immediately; vehicle not roadworthyFaulty shock absorber, substantial exhaust leak, worn brake pads
DangerousFails MOTCritical (direct and immediate safety risk)Must be repaired immediately; vehicle cannot be drivenSignificantly worn brake lining, fractured wheel

Preventing an MOT Failure: Your Best Defence

The best way to avoid the stress and expense of an MOT failure is through proactive maintenance. Regular car servicing throughout the year is an absolute must. Servicing allows mechanics to identify and address issues before they become serious defects. As your MOT test approaches, making sure to book a pre-MOT check is highly recommended. This dedicated inspection can spot and fix any potential issues that could lead to a fail, saving you time and money in the long run. Many drivers also find it beneficial to carry out a pre-MOT check at home by following a simple MOT checklist, which covers basic visual inspections of lights, tyres, wipers, and fluid levels. This simple step can help you catch minor issues before they become more significant problems that could jeopardise your MOT pass.

What Should I Do If My Car Fails Its MOT?

If your car unfortunately fails its MOT, you have a couple of options. You can choose to leave it at the test centre where the failure occurred for the essential repairs to be carried out. Provided these repairs are completed and the car is retested within 10 working days of the original test, the retest will typically be free of charge. This is often the most convenient option, as the mechanics are already familiar with the specific issues. However, if you prefer to have your vehicle repaired elsewhere, you can still have it retested for free at the original test centre, so long as you return it before the end of the next working day. It is crucial to be aware that you may only take the car elsewhere if its current MOT certificate is still valid and, critically, the MOT test did not highlight a dangerous defect. If a dangerous defect was identified, the vehicle cannot be driven on public roads until it has been repaired.

Can I Appeal Against a Failed MOT Test?

While most MOT failures are justified, if you genuinely believe your vehicle should have passed its MOT, you do have the right to appeal the decision. Before taking any formal steps, you should first discuss your results with the test centre directly. Many misunderstandings can be clarified at this stage. If, after this discussion, you still believe the result is incorrect, you can appeal the result of the MOT by filling in a complaint form and sending it to the Driver and Vehicle Standards Agency (DVSA) within 14 working days of the original test. The DVSA will typically contact you within 5 working days to discuss your appeal. In the event that the DVSA agrees to recheck your vehicle, you will need to arrange a date for this re-examination and pay the full test fee again. If your appeal is successful and the independent tester determines that your car should indeed have passed, then you will be refunded the test fee. It is important to approach this process with genuine conviction; if the independent tester feels the original failure was justified, you will be responsible for paying for the repairs, the original test fee, and potentially two MOT retest fees. Therefore, this avenue should only be pursued if you are absolutely convinced of your car's roadworthiness at the time of the original test.

Frequently Asked Questions About MOTs and Faults

Q: How long do I have to fix a minor defect after my MOT?

A: While your car passes the MOT with a minor defect, it's highly recommended to get it repaired as soon as possible. There isn't a strict legal deadline for minor defects, but ignoring them can lead to them worsening and becoming major or dangerous faults, which would then result in an MOT failure in the future.

Q: Can I drive my car if it has a major MOT defect?

A: No, if your car has a major MOT defect, it means it has failed its MOT and is not legally roadworthy. You cannot drive it on public roads until the major defects have been repaired and it has passed a retest.

Q: What's the difference between an 'advisory' and a 'minor' defect?

A: Both advisories and minor defects allow your car to pass the MOT. However, an 'advisory' indicates a potential future issue that is not yet a defect but should be monitored. A 'minor' defect is an actual fault that needs repair but isn't severe enough to cause a fail. Minor defects are more concrete issues than advisories.

Q: Will I always get a free retest if my car fails?

A: A free retest is often available if the repairs are carried out at the original test centre and the car is retested within 10 working days. If you take the car elsewhere for repairs, you might still get a free retest at the original centre, but only if it's returned by the end of the next working day and no dangerous defects were found. Always confirm the retest policy with your test centre.

Q: What should I do if my MOT certificate is about to expire and I've failed?

A: If your MOT certificate is about to expire and your car fails, you cannot legally drive it once the current certificate expires, unless you are driving it to a pre-arranged appointment for repairs or a retest. If the failure included a dangerous defect, you cannot drive it at all until it's fixed and retested.

Conclusion

Understanding the intricacies of the MOT test, particularly the distinctions between minor, major, dangerous, and advisory faults, is essential for every car owner in the UK. While the news that your car can indeed pass with a minor defect might bring some relief, it underscores the importance of addressing even seemingly small issues promptly. Major and dangerous defects, on the other hand, demand immediate attention and render your vehicle unroadworthy. Proactive measures, such as regular servicing and thorough pre-MOT checks, are your most effective tools against the anxiety of test day. Should your vehicle fail, knowing your options for repair and retesting, and understanding the process for appealing a result, empowers you to navigate the situation effectively. Ultimately, a well-maintained vehicle is not only more likely to pass its MOT but also ensures your safety and the safety of others on the road.

If you want to read more articles similar to Navigating MOT Failure: Minor Faults & Beyond, you can visit the MOT category.

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