28/09/2010
Receiving the news that your car has failed its MOT can be a disheartening moment for any vehicle owner in the UK. It’s not just an inconvenience; it can raise immediate concerns about safety, legality, and the potential costs involved. The MOT, or Ministry of Transport test, is a crucial annual inspection designed to ensure your vehicle meets minimum road safety and environmental standards. A pass means peace of mind, but a fail means immediate action is required. Understanding what happens next, from identifying the issues to getting your vehicle retested or even appealing the decision, is paramount to getting back on the road legally and safely.

Understanding Your MOT Failure: Defects Explained
When your vehicle fails an MOT, the test centre will issue you a ‘refusal of an MOT test certificate’ (VT30). This document is incredibly important as it outlines the reasons for the failure, listing all the defects found during the inspection. It's crucial to understand these defects, as they dictate your next steps. Defects are categorised into three types:
- Minor Defects: These are issues that are not severe enough to cause a failure but should be repaired. They are recorded on the certificate as 'advisories' and serve as a warning for future attention. You won't fail for these alone, but ignoring them could lead to more serious issues later.
- Major Defects: These are significant issues that could affect the vehicle's safety, impact the environment, or put other road users at risk. A major defect will result in an immediate MOT failure. Your vehicle cannot be driven on the road with a major defect unless it's to a pre-booked appointment for repairs or a retest.
- Dangerous Defects: These are the most severe category of defects. They pose a direct and immediate risk to road safety or have a serious impact on the environment. If your vehicle has a dangerous defect, it must not be driven on the road at all until the defect has been repaired. Driving a vehicle with a dangerous defect is illegal and could lead to significant penalties, including fines, points on your licence, or even a court summons.
It's vital to differentiate between these categories as they determine whether you can legally drive your car after a failure and how urgently repairs are needed. Always refer to your VT30 certificate for the specific classifications of your vehicle's defects.
Your Options After an MOT Failure
Once you have your VT30 certificate and understand the defects, you have a few options for how to proceed:
1. Repairing the Defects and Retesting
This is the most common path. You will need to get the identified defects repaired. You can choose to have the repairs done by the same garage that conducted the MOT, or you can take your vehicle to another garage or even attempt DIY repairs if you have the necessary skills and tools. The choice of where to repair can impact the cost and convenience of your retest.
Retesting Your Vehicle: What You Need to Know
The retest process depends on when and where you get the repairs done:
Free Retest (Partial Retest): If your vehicle is repaired and returned to the same test centre for a retest within 10 working days of the original failure, only the items that failed will be re-inspected. This is often free of charge, provided the vehicle hasn't left the premises or is returned within the specific timeframe.
Common free retest scenarios usually involve minor repairs that can be checked quickly, such as:
- Bonnet, boot lid, doors
- Brakes (condition and operation)
- Direction indicators
- Horn
- Lamps
- Mirrors
- Registration plates
- Seatbelts
- Tyres (condition and security)
- Wipers and washers
However, if the vehicle leaves the premises and is returned within 10 working days, a partial retest may still be available for a reduced fee, but this is at the discretion of the test centre.
Full Retest: If your vehicle is returned for a retest more than 10 working days after the original failure, or if it's taken to a different test centre, a full MOT test will be conducted again, and you will have to pay the full test fee. This is because the original test results are no longer considered valid, and a comprehensive check is required.
It's always advisable to discuss the retest procedure and any associated costs with your chosen test centre beforehand.
2. Appealing the MOT Decision
While less common, you have the right to appeal an MOT decision if you believe the test centre came to the wrong conclusion. This applies whether you think your vehicle failed when it should have passed, or even if you think it passed when it should have failed (perhaps you bought a vehicle with a recent pass that you suspect is unsafe).
The Appeal Process Explained
The appeal process is handled by the Driver and Vehicle Standards Agency (DVSA):
Download the Form: You'll need to download the DVSA's official complaint form (VT17). This form is readily available on the GOV.UK website.
Complete and Send: Fill in the form accurately, providing all necessary details about your vehicle, the test centre, and your reasons for appealing. Send the completed form back to the DVSA within 14 working days of the original MOT test date. It's crucial to adhere to this timeframe.
DVSA Contact: The DVSA will typically contact you within 5 working days of receiving your appeal to discuss the matter. They will assess your complaint and decide whether a recheck of your vehicle is warranted.
Vehicle Recheck (If Applicable): If the DVSA decides to recheck your vehicle, you will be required to arrange a suitable date for this inspection. You will also need to pay the full MOT test fee again for this recheck. This fee is refunded if your appeal is successful and the DVSA finds the original decision was incorrect.
Inspection Report: Following the DVSA recheck, they will send you an inspection report detailing any defects found on your vehicle. This report will either uphold the original decision or overturn it.
Important Note: You should not have any repairs made to your vehicle until the appeal process is complete and resolved. Making repairs could invalidate your appeal, as the DVSA would not be able to accurately assess the original condition of the vehicle as tested.
Common Reasons for MOT Failure in the UK
Understanding the most frequent reasons for MOT failures can help you prepare your vehicle and potentially avoid future issues. Many failures are due to relatively minor, easily preventable issues.
| Component Area | Common Failure Reasons | Prevention Tips |
|---|---|---|
| Lighting and Signalling | Blown bulbs (headlights, brake lights, indicators), incorrect beam aim, damaged lenses. | Regularly check all lights are working. Ensure headlights are clean and correctly aimed. |
| Tyres | Insufficient tread depth (below 1.6mm), cuts, bulges, incorrect tyre pressure. | Check tread depth with a 20p coin. Inspect for damage. Maintain correct tyre pressure. |
| Brakes | Worn brake pads/discs, imbalanced braking effort, fluid leaks, ABS warning light on. | Listen for grinding noises. Check brake fluid levels. Have brakes serviced regularly. |
| Suspension | Worn shock absorbers, corroded coil springs, loose or worn ball joints/bushes. | Listen for knocking noises. Check for excessive bouncing after going over bumps. |
| Visibility (Wipers, Washers, Windscreen) | Worn wiper blades, empty washer fluid, chips or cracks in the windscreen (in critical areas). | Replace worn blades. Keep washer fluid topped up. Repair small chips promptly. |
| Exhaust Emissions | High CO2 or hydrocarbon levels, catalytic converter failure, exhaust leaks. | Regular servicing. Ensure engine is at operating temperature before the test. |
| Steering | Excessive play in steering, power steering fluid leaks, worn components. | Report any looseness or unusual noises when steering. Check power steering fluid. |
| Bodywork and Structure | Excessive corrosion, sharp edges, damaged bumpers that pose a danger. | Address rust spots early. Ensure all body panels are secure and free of sharp edges. |
What Happens If You Drive With a Failed MOT?
Unless your vehicle has only minor defects from a previous MOT that aren't a direct cause of the current failure, or if you are driving directly to a pre-booked MOT test or repair appointment, it is illegal to drive a vehicle that has failed its MOT. The consequences can be severe:
- Fines: You could face a fine of up to £2,500.
- Points: You could receive points on your driving licence.
- Insurance Invalidated: Your car insurance policy may be invalidated if your vehicle does not have a valid MOT certificate, leaving you uninsured in the event of an accident.
- Vehicle Seizure: In some cases, your vehicle could be seized by the police.
The only exception to driving with a failed MOT is if your old MOT certificate is still valid and has not yet expired. However, even in this scenario, if your vehicle has been issued with 'dangerous' defects, it is illegal to drive it on a public road.
Frequently Asked Questions About MOT Failures
Q: Can I drive my car home after a failed MOT?
A: Only if your old MOT certificate is still valid and has not yet expired, and provided no 'dangerous' defects were identified. If 'dangerous' defects were found, you must not drive the vehicle under any circumstances until repairs are made. If your old MOT has expired, you can only drive the vehicle directly to a pre-booked appointment at a garage for repairs or to an MOT test centre for a retest.
Q: How long do I have to fix my car after a failed MOT?
A: There's no strict deadline for repairs, but if you want a free retest at the same test centre, you typically have 10 working days. Beyond that, you'll likely need to pay for a full retest. More importantly, you cannot legally drive the vehicle (unless to a pre-booked repair/retest) until it has passed its MOT, so it's in your best interest to get repairs done promptly.
Q: Can I sell a car with a failed MOT?
A: Yes, you can sell a car with a failed MOT. However, you must inform the buyer that the vehicle does not have a valid MOT certificate and disclose the reasons for its failure. The buyer will then be responsible for getting the necessary repairs done and obtaining a new MOT before they can legally drive it on public roads.
Q: What's the difference between Major and Dangerous defects?
A: Major defects are significant issues that could affect the vehicle's safety or environmental impact, leading to an MOT failure. You can drive the vehicle for repairs or retest if your old MOT is valid, but it's not recommended due to safety. Dangerous defects pose an immediate and direct risk to road safety. You must not drive the vehicle at all until these defects are fixed, regardless of your old MOT's validity.
Q: Do I have to pay for a retest?
A: It depends. If you get the vehicle repaired and retested at the same centre within 10 working days, a partial retest is often free. If you take longer than 10 working days, or go to a different test centre, a full MOT test and fee will be required.
Q: How much does an appeal cost?
A: You will have to pay the full MOT test fee again for the DVSA recheck if they decide to conduct one as part of your appeal. This fee is refunded if your appeal is successful and the DVSA finds the original test decision was incorrect.
Conclusion
An MOT failure is never ideal, but it's a manageable situation with a clear set of steps to follow. By understanding the types of defects, the retest procedures, and your right to appeal, you can navigate the process efficiently and ensure your vehicle is safe and legal for the road. Always prioritise safety and compliance, addressing any defects promptly to avoid penalties and keep your vehicle in optimal condition. Regular maintenance and pre-MOT checks are your best defence against future failures, saving you time, money, and stress.
If you want to read more articles similar to MOT Failure: Your UK Guide to Next Steps, you can visit the MOT category.
