28/08/2010
Failing your MOT test can be a stressful experience, but it's crucial to understand what happens next and your responsibilities as a vehicle owner. The MOT (Ministry of Transport) test is an annual check to ensure your vehicle meets roadworthiness and environmental standards. If your car doesn't pass, it doesn't automatically mean it's illegal to drive, but there are specific rules you must follow. This guide will walk you through the process, from understanding the failure reasons to getting your vehicle repaired and retested.

Understanding Your MOT Test Failure
When your vehicle fails its MOT, you'll receive a 'Refusal of an MOT Test Certificate' document, also known as a VT30. This document clearly lists all the reasons for the failure, categorising them into two types:
- Dangerous Defects: These are issues that pose an immediate and serious risk to road safety or have a serious impact on the environment. If your vehicle has a dangerous defect, it is illegal to drive it on public roads until it is repaired.
- Major Defects: These are defects that could potentially compromise the safety of the vehicle, its occupants, or other road users, or have a detrimental effect on the environment. While not immediately illegal to drive, you must get these repaired as soon as possible to avoid further deterioration and potential failure at a future inspection.
It's important to note that your current MOT certificate remains valid until its expiry date, unless your vehicle has a dangerous defect. In such cases, the old certificate is invalidated immediately. The testing station will typically keep your old MOT certificate if your vehicle fails.
Can I Drive My Car After Failing an MOT?
This is a common question, and the answer depends on the nature of the defects:
- With Dangerous Defects: Absolutely not. Driving a vehicle with dangerous defects is illegal and could result in a significant fine, penalty points on your licence, and even your vehicle being seized. You can only drive your car to a pre-arranged repair appointment or to a pre-arranged MOT test appointment.
- With Only Major Defects: Yes, you can still drive your car if it has only major defects, provided your existing MOT certificate is still valid. However, it is strongly advised to get the necessary repairs done as soon as possible. Continuing to drive a vehicle with major defects can lead to them worsening, potentially causing further damage, and making the vehicle unsafe.
It's always best to err on the side of caution. If you're unsure, it's wise to avoid driving the vehicle until the issues are rectified.
What Happens at the Test Centre?
When your vehicle fails the MOT, the testing centre will provide you with the VT30 failure document. You have a few options at this point:
- Leave the vehicle for repair: You can authorise the testing centre to carry out the necessary repairs. They will then retest the vehicle.
- Take the vehicle elsewhere for repair: You can choose to take your vehicle to another garage or mechanic for the repairs.
If you leave your vehicle at the original testing centre for repair, the first retest is usually free if it's done within a certain timeframe (typically one working day). If you take it elsewhere, you'll need to arrange a new MOT test once the repairs are complete.
The Retest Process
The retest procedure depends on when and where the repairs are carried out:
- Retest at the same test centre: If you leave your vehicle for repairs at the original testing centre and they are completed within one working day, a partial retest is usually free. If the vehicle is taken away and brought back for a retest later, or if the repairs take longer than one working day to complete at the original centre, a partial retest fee may apply.
- Retest at a different test centre: If you collect your vehicle and take it to a different garage for repairs, you will need to book a full, new MOT test.
A partial retest typically involves re-examining only the items that failed the initial test. A full retest will involve a complete inspection of the vehicle, just like the initial MOT.
Common Reasons for MOT Failure
Understanding common failure points can help you maintain your vehicle proactively. Here are some of the most frequent reasons cars fail their MOT:
Category Common Failures Lights Incorrect bulb types, malfunctioning headlights, damaged or missing lights, incorrect alignment of headlights. Brakes Worn brake pads or discs, low brake fluid, malfunctioning brake pedal or handbrake, leaks in the brake system. Tyres Tyres with insufficient tread depth (below 1.6mm), cuts or bulges on the tyre sidewall, incorrect tyre pressures, mismatched tyres on the same axle. Visibility Cracked or damaged windscreen (affecting driver's view), faulty windscreen wipers or washers, demister not working. Suspension Worn shock absorbers, damaged springs, loose or damaged suspension components. Exhaust System Excessive noise, visible leaks, damaged catalytic converter, high emissions. Bodywork Significant corrosion in critical areas (e.g., chassis, suspension mounts), sharp edges or protruding parts that could injure pedestrians, loose or damaged body panels. Steering Worn steering components, loose steering wheel, play in the steering system. What if I Can't Afford the Repairs?
If you're facing a significant repair bill and can't afford it immediately, you have a few options:
- Get quotes from different garages: Prices for the same repair can vary significantly. Shop around to find a competitive quote.
- Prioritise repairs: If your vehicle has both dangerous and major defects, address the dangerous ones first to make it legal to drive. Then, consider when you can afford to fix the major issues.
- Consider selling the car: If the repairs are too extensive or costly, you might consider selling the car for scrap or to a mechanic who can repair it more affordably. Remember, it's illegal to sell a vehicle that you know has a dangerous defect without disclosing it.
Preventative Maintenance is Key
The best way to avoid MOT failure is through regular, preventative maintenance. Keeping up with servicing, checking your tyre pressures and tread, topping up essential fluids, and addressing minor issues before they become major problems can save you time, money, and stress in the long run. A well-maintained vehicle is not only safer but also more likely to pass its MOT with flying colours.
Frequently Asked Questions
Q1: How long do I have to get my car repaired after failing the MOT?
A1: If your car has dangerous defects, you must get it repaired immediately and cannot drive it on public roads until it passes a retest. If it only has major defects, you can continue driving it with a valid MOT certificate, but it's advisable to repair them as soon as possible.
Q2: Can I drive my car to the MOT test centre if it has expired?
A2: No, you cannot drive a vehicle on the road if its MOT has expired, unless you are driving it to a pre-booked MOT test appointment. Driving without a valid MOT (or insurance) can lead to penalties.
Q3: What is the difference between a partial and a full MOT retest?
A3: A partial retest typically only covers the items that failed the original test and is often free if done at the same centre within one working day. A full retest is a complete MOT inspection and is usually charged for.
Q4: Can I get a refund if my car fails its MOT?
A4: No, you cannot get a refund for an MOT test fee, regardless of whether your vehicle passes or fails. The fee is for the inspection itself.
Q5: What happens if my car fails its MOT but I don't repair it?
A5: If your car has dangerous defects and you don't repair it, it is illegal to drive it on public roads. If it only has major defects, while technically legal to drive if the previous MOT is valid, it's highly recommended to repair them to ensure safety and prevent further issues. Failure to maintain your vehicle can lead to accidents and costly repairs down the line.
In conclusion, failing an MOT is not the end of the world, but it does require prompt attention. Understanding the process, the reasons for failure, and your legal obligations will help you navigate the situation smoothly and keep your vehicle safe and legal on the road.
If you want to read more articles similar to Failed MOT? What to do next, you can visit the MOT category.
