13/08/2009
Understanding Your MOT Failure
Receiving a refusal of an MOT test certificate, commonly known as failing the MOT, can be a stressful experience for any car owner. However, it's a crucial part of ensuring that vehicles on UK roads are safe, roadworthy, and meet environmental standards. Understanding what happens when your car fails, and what your immediate and subsequent steps should be, is vital for keeping your vehicle legal and safe. This guide will walk you through the entire process, from the moment of failure to getting your vehicle back on the road with a pass.

An MOT test is an annual inspection that checks that a vehicle meets the minimum road safety and environmental standards. It's a legal requirement for vehicles over three years old. Failing the test doesn't mean your car is immediately unroadworthy in every sense, but it does indicate that certain components need attention. The important thing to remember is that you cannot legally drive your car on public roads if its MOT has expired and it has failed the test, unless you are driving it to a pre-booked appointment at a garage for repairs or to a pre-booked MOT test centre.
What Happens Immediately After an MOT Failure?
When your car fails its MOT, the testing centre will provide you with a 'Refusal of an MOT Test Certificate' (VT30). This document is extremely important. It details all the reasons why your vehicle has failed, categorising the faults found into two types:
- Dangerous Faults: These are faults that pose a direct and immediate risk to road safety or have a serious impact on the environment. If your vehicle has any dangerous faults, you must not drive it on public roads until they have been repaired. Driving a vehicle with a dangerous fault can lead to prosecution.
- Major Faults: These are faults that could potentially compromise the safety of your vehicle or have an impact on the environment. While not immediately dangerous, they must be repaired or rectified to pass the MOT. You can usually drive your car with major faults if its existing MOT certificate is still valid, but it's highly recommended to get them fixed as soon as possible.
The VT30 form will clearly list each fault, its category (dangerous or major), and the specific part of the vehicle affected. It will also include any minor defects found, which don't cause a failure but are noted for your attention. These minor defects should ideally be addressed to prevent them from becoming more serious issues in the future.
Driving Your Car After an MOT Failure
As mentioned, the rules around driving a car that has failed its MOT are strict. If your car's previous MOT certificate has expired, you are generally prohibited from driving it on public roads. The only exceptions are:
- Driving to a pre-booked appointment at a garage for repairs.
- Driving to a pre-booked appointment at an MOT test centre for a re-test.
You must be able to prove that you have a pre-booked appointment if stopped by the police. If your car's MOT is still valid, you can continue to drive it until the expiry date, even if it has failed a test for reasons other than dangerous faults. However, it is strongly advised to arrange for the necessary repairs to be carried out promptly to ensure your vehicle remains safe and legal.
What to Do Next: Repairs and Re-testing
Once you have your VT30, the next logical step is to arrange for the necessary repairs. You have a few options:
Option 1: Repair at the Same Garage
Many garages offer to carry out the necessary repairs and then conduct a free or discounted re-test. This is often the most convenient option, as the mechanics are already familiar with the faults identified. If the repairs are completed on the same day as the original test, and the vehicle is left at the premises for repair, a partial re-test may be all that is needed. If you take the car away and bring it back within 10 working days for a re-test, certain items will be re-checked, and often this re-test is free.
Option 2: Repair Elsewhere
You are perfectly entitled to take your car to a different garage for repairs. In this scenario, once the repairs are completed, you will need to take your vehicle for a full, standard MOT test again. Remember, if your original MOT had expired, you'll need to ensure you're only driving to the test centre for your pre-booked appointment.
The Re-test Process
The rules for re-testing depend on when the re-test is carried out:
- Re-test within 1 working day: If you take your car back to the same test centre for a re-test within one working day of failing, and the vehicle has been left at the centre for repair, then only the items that failed will be re-tested.
- Re-test within 10 working days: If you take your car back to the same test centre for a re-test within 10 working days of failing, and the vehicle has been repaired, then a partial re-test will be carried out. This usually involves re-checking the items that failed and any related components.
- Re-test after 10 working days: If more than 10 working days have passed since the original test, or if you take the car to a different test centre, you will need to have a full MOT test carried out again.
It's important to note that any repairs to address dangerous faults must be completed before the vehicle can be legally driven. For major faults, while you can technically drive the car if the previous MOT is still valid, it's crucial to get them fixed to ensure safety and avoid potential fines or issues with insurance.
Common Reasons for MOT Failure
Understanding why cars typically fail the MOT can help you proactively maintain your vehicle and potentially avoid a failed test. Some of the most common reasons for failure include:
| Category | Common Failures | Impact |
|---|---|---|
| Braking System | Worn brake pads/discs, low brake fluid, faulty brake pipes, malfunctioning handbrake. | Critical for stopping power and vehicle control. |
| Tyres | Tyres with tread depth below the legal limit (1.6mm), cuts or bulges, incorrect tyre pressure, incorrect tyre size or type. | Affects grip, braking, and handling. |
| Lights | Incorrectly aimed headlights, burnt-out bulbs, malfunctioning indicators or brake lights. | Essential for visibility and signalling intentions to other road users. |
| Suspension | Worn shock absorbers, damaged springs, loose suspension components. | Affects ride comfort, handling, and tyre wear. |
| Exhaust System | Excessive noise, leaks, presence of a catalytic converter if removed. | Relates to emissions and noise pollution. |
| Visibility | Cracked or damaged windscreen (in the driver's line of sight), faulty windscreen wipers or washers. | Crucial for clear vision in all weather conditions. |
| Steering | Excessive play in steering wheel, worn steering components. | Affects vehicle control and directional stability. |
| Bodywork | Significant rust or corrosion affecting structural integrity, sharp edges, protruding parts. | Relates to the overall structural safety of the vehicle. |
What If I Can't Afford the Repairs?
If the cost of repairs is prohibitive, you have a few less ideal options:
- Sell the car for scrap: If the car is beyond economical repair, you can sell it to a scrap merchant. They will then dispose of it legally.
- Sell the car as-is: You could try to sell the car to someone who is willing and able to repair it. Be honest about the MOT failure and the faults found. You must ensure the buyer understands they cannot drive the car until it passes an MOT.
Remember, it is illegal to sell a vehicle that requires an MOT unless it is being sold for scrap. You also cannot sell a vehicle that has failed its MOT without disclosing the reason for failure to the buyer.
Frequently Asked Questions (FAQs)
- Can I drive my car if it fails its MOT but the MOT hasn't expired yet?
- Yes, if your car fails its MOT but its current MOT certificate is still valid, you can continue to drive it until the expiry date, unless it has a 'dangerous' fault. If it has a 'dangerous' fault, you must not drive it until the fault is repaired.
- What if my car fails its MOT on a dangerous fault?
- If your car fails on a dangerous fault, you must not drive it on public roads until the fault is repaired. Driving it in this condition can lead to prosecution.
- Do I have to get my car repaired at the same garage where it failed its MOT?
- No, you are not obliged to have the repairs done at the same garage. You can choose any garage to carry out the necessary work. However, if you take it back to the original garage for a re-test within 10 working days, some re-tests can be free or discounted.
- How long do I have to get my car repaired and re-tested?
- If your car's MOT has expired, you can only drive it to a pre-booked MOT appointment for repairs or a re-test. If you take it back to the same garage for a re-test within 10 working days of the original test, you may be eligible for a partial re-test. After 10 working days, or if you go to a different garage, a full MOT re-test will be required.
- What happens if I'm caught driving a car that has failed its MOT?
- If you are caught driving a car on public roads that should not be driven (e.g., its MOT has expired and it failed, or it has a dangerous fault), you could face a fine of up to £2,500, receive penalty points on your licence, and your vehicle could be impounded. You may also invalidate your car insurance.
In conclusion, an MOT failure, while inconvenient, is a necessary part of vehicle ownership in the UK. By understanding the process, the implications of different fault categories, and your options for repair and re-testing, you can navigate the situation effectively and ensure your vehicle remains safe and legal on the road. Regular maintenance and pre-emptive checks can also significantly reduce the likelihood of an MOT failure, saving you time, money, and stress in the long run. Always prioritise safety and ensure your vehicle meets the required standards.
If you want to read more articles similar to MOT Failure: What Happens Next?, you can visit the Motoring category.
