04/11/2005
It's a common scenario, and one that can cause a fair bit of anxiety: you've taken your beloved vehicle for its annual MOT test, only to be presented with a 'fail' certificate. While it's never ideal, a failed MOT is far from the end of the world. In fact, it's a crucial part of ensuring your car is safe and roadworthy. This guide will walk you through exactly what to do if your car fails its MOT, from understanding the reasons to getting it repaired and retested.

Understanding Your MOT Failure
The first and most important step after failing your MOT is to carefully examine the VT30 report you'll receive from the testing centre. This document is your roadmap to understanding why your vehicle didn't pass. It details all the 'dangerous' and 'major' defects found during the test. It's categorised into three types of issues:
- Dangerous Defects: These are issues that pose a direct and immediate risk to road safety or have a serious impact on the environment. If your car has a dangerous defect, you absolutely cannot drive it until it's repaired.
- Major Defects: These are faults that could affect the safety of the vehicle or its impact on the environment. While you can still drive the car, it must be repaired within a specified timeframe to avoid further issues.
- Minor Defects: These are issues that aren't immediately dangerous but should be repaired as soon as possible as part of routine maintenance. These don't cause an MOT failure on their own, but if they are identified, they'll be noted on your VT30 report.
It's vital to understand the severity of the defects listed. The tester should explain the findings to you, but the VT30 report provides the official record.
Can I Drive My Car After Failing Its MOT?
This is a crucial question, and the answer depends on the nature of the failure:
- Dangerous Defects: As mentioned, you cannot legally drive your car on the road if it has dangerous defects. Doing so could result in a fine, penalty points, and even a driving ban. You can only drive it to a pre-arranged repair appointment or a pre-booked MOT retest.
- Major or Minor Defects (but still passed): If your car has only minor defects and has still passed its MOT, you can continue to drive it. However, it's highly recommended to address these minor issues promptly to prevent them from becoming more significant problems later.
- Failed with Major Defects (but no Dangerous Defects): You can continue to drive your car if it has major defects, provided the previous MOT certificate is still valid. However, you must get the necessary repairs done and have the vehicle retested before the previous MOT expires.
Essentially, if your car has a dangerous defect, it's off the road until it's fixed. If it only has major defects and the previous MOT is still valid, you have a window of opportunity to get it repaired.
Getting Your Car Repaired
Once you know what needs fixing, you have a few options for getting the repairs done:
Option 1: Repair at the Original Test Centre
Many MOT test centres also offer repair services. If your car has failed, you can often arrange for them to carry out the necessary work. The advantage here is that if the repairs are completed within one working day of the original test, you may be eligible for a free partial retest, only having to check the specific items that failed. This can be a convenient and cost-effective option.
Option 2: Take it to Your Regular Garage
You are not obliged to have your car repaired at the place where it was tested. You can take it to your trusted local mechanic or dealership. This might be preferable if you have a long-standing relationship with a garage or if they offer more competitive pricing for the specific repairs needed. Remember to get a quote for the repairs before authorising any work.
Option 3: DIY Repairs (with caution)
If you're a competent DIY mechanic, you might consider tackling the repairs yourself. However, be absolutely sure you understand the requirements for each failed item. If a repair isn't carried out to the correct standard, your car will still fail the retest. It's often safer and more reliable to leave complex repairs to the professionals.
The MOT Retest Process
After your car has been repaired, it needs to be retested. The rules around retests are:
- Retest within 1 working day: If you leave your car at the test centre for repair and it's repaired and retested within one working day of the original test, it's a partial retest. Many items are not rechecked, and often there's no additional charge.
- Retest after 1 working day: If you take your car away for repair and bring it back for a retest, or if the repairs take longer than one working day, it's usually a full retest. This means the vehicle is subjected to a full MOT inspection again. However, if the original MOT was still valid when you brought it back for retest, the test centre may offer a partial retest. Always clarify this with the test centre beforehand.
- Partial Retest: This typically involves checking only the items that failed the original test, plus any associated systems.
It's always best to book your retest in advance, especially if you're returning to the original test centre. You'll need to bring your VT30 failure certificate with you for the retest.
Common Reasons for MOT Failure
Knowing the most frequent causes of MOT failure can help you proactively maintain your vehicle. Here are some of the usual suspects:
| Category | Common Issues |
|---|---|
| Lights | Incorrect bulb types, malfunctioning lights (headlights, brake lights, indicators), misaligned headlights. |
| Brakes | Worn brake pads or discs, low brake fluid, faulty brake pipes, ineffective braking performance. |
| Tyres | Insufficient tread depth (below 1.6mm), cuts or bulges, incorrect tyre pressure, mismatched tyres on the same axle. |
| Suspension | Worn shock absorbers, damaged springs, loose or worn suspension components. |
| Visibility | Cracked or damaged windscreen (in the driver's line of sight), damaged or missing mirrors, faulty windscreen wipers or washers. |
| Exhaust & Emissions | Excessive emissions, noisy exhaust, corroded or leaking exhaust system. |
| Body & Structure | Significant corrosion in structural areas, damaged doors or hinges, sharp edges posing a hazard. |
What Happens If I Don't Repair My Car?
Driving a vehicle that has failed its MOT and has dangerous defects is illegal. Even if it only has major defects, if your previous MOT expires, you cannot legally drive it. You'll need to arrange for it to be towed or driven to a pre-booked repair appointment or retest. If you're caught driving illegally, you could face significant fines and points on your licence.
Frequently Asked Questions
Q1: How much does an MOT retest cost?
A: If your car is left at the test centre for repair and retested within one working day, the retest is often free. If you take it away and bring it back later, or if the repairs take longer, the centre may charge for a full or partial retest. Prices vary, so it's best to check with the specific test centre.
Q2: Can I drive my car with a failed MOT to the garage?
A: You can only drive your car to a pre-arranged repair appointment or a pre-booked MOT retest if it has dangerous defects. If it only has major defects, you can drive it as long as your previous MOT is still valid, but you must get it repaired and retested before that previous MOT expires.
Q3: What if I disagree with the MOT failure?
A: If you believe the failure is incorrect, you can appeal the decision. You'll need to contact the Driver and Vehicle Standards Agency (DVSA). You have one month from the date of the test to appeal. However, you cannot drive the vehicle if it has dangerous defects during this appeal process.
Q4: How long do I have to get my car repaired after failing?
A: You can drive your car with major defects as long as your previous MOT certificate is still valid. You must get it repaired and retested before that certificate expires. If your car has dangerous defects, it cannot be driven at all until repaired.
Conclusion
Failing an MOT can be a temporary setback. By understanding the VT30 report, arranging for prompt and correct repairs, and ensuring a successful retest, you can get your vehicle back on the road legally and safely. Think of it as a necessary health check for your car, ensuring it remains a reliable and safe mode of transport for you and others.
If you want to read more articles similar to Failed MOT? Here's What To Do, you can visit the Automotive category.
