Most learners go into their practical test with a rough idea of how faults work. A minor is fine, a serious means a fail. Beyond that, the details tend to be fuzzy, and that fuzziness costs people tests they could have passed. Understanding driving test faults properly, before you sit the test rather than after, changes how you approach lessons, how you handle mistakes on the day, and how you read your result sheet if things do not go to plan.
Let’s Instruct instructors across Northamptonshire to build this knowledge into lessons from an early stage, so nothing about the marking system comes as a surprise on test day.
1. What Are Driving Test Faults?
Driving test faults are marks recorded by the examiner whenever you do something that falls below the required standard during your practical test. Every action you take behind the wheel is assessed against the DVSA’s national standard for driving, and any deviation from that standard is recorded as a fault.
Faults are not recorded randomly or subjectively. Each one corresponds to a specific area of driving, from mirror use to road positioning to response to signs, and is categorised by how serious the deviation was.
2. What Is the Difference Between a Minor, Serious, and Dangerous Fault?
This is the question that matters most when it comes to driving test faults, and the answer is simpler than most learners expect.
A driving fault, commonly called a minor, is a small error that did not create a risk to anyone. You can accumulate up to 15 of these across the whole test and still pass.
A serious fault is a potentially dangerous error, one that could have led to an incident if circumstances had been slightly different. A single serious fault means an automatic fail, regardless of how well the rest of the test goes.
A dangerous fault is an error that requires the examiner, another driver, or a pedestrian to take action to prevent an incident. This is also an automatic fail and is the most severe category of driving test faults.
3. How Many Driving Test Faults Can I Get Before I Fail?
You can receive up to 15 driving faults (minors) and still pass, provided none of them is serious or dangerous. Reaching 16 driving faults is an automatic fail, even without a single serious fault on the sheet.
One serious fault means a fail. One dangerous fault means a fail. There is no threshold or allowance for either category.
Knowing this removes a common misconception that any mistake ends the test. Minor errors are expected and accounted for. What the examiner is assessing is whether your overall standard of driving is safe and consistent, not whether every moment is perfect.
4. Can the Same Minor Fault Become a Serious One?
Yes, and this is one of the most important things to understand about driving test faults. If the same minor fault is recorded multiple times throughout the test, typically three or more occurrences, the examiner may upgrade it to a serious fault.
This reflects a pattern rather than an isolated mistake. Missing a mirror check once is a minor fault. Repeating it at every junction suggests a habit that presents a genuine risk, and the marking reflects that.
Your Let’s Instruct instructor will flag recurring patterns in your driving throughout lessons precisely to prevent this from happening under test conditions.
5. What Are the Most Common Driving Test Faults?
The DVSA publishes annual data on the most common driving test faults recorded across all UK test centres. The same areas appear consistently at the top of the list:
- Junctions, particularly emerging without adequate observation
- Mirrors, not checking at the right moments or before changing speed and direction
- Steering, losing control during manoeuvres or on bends
- Response to traffic signs and road markings
- Reversing manoeuvres, especially bay parking
None of these is obscure or unpredictable. Each one is directly addressable through focused lesson work, and every Let’s Instruct instructor in Northamptonshire knows which of these areas appear most often at local test centres.
6. Do Driving Test Faults Show Up on My Licence?
No. Driving test faults recorded during your practical test do not affect your licence once you pass. They are part of the assessment process only and are not carried over to your driving record.
If you fail, the fault record helps you and your instructor identify what to work on before rebooking. Once you pass, the result sheet is simply a historical document with no ongoing significance.
7. What Happens If I Get a Serious Fault on a Manoeuvre?
A serious fault recorded during a manoeuvre ends the test in the same way as a serious fault at any other point. The examiner will allow you to complete the drive back to the test centre and will then inform you of the result.
Manoeuvres with serious faults typically involve one of two things: unsafe execution, such as mounting a kerb or losing control of the vehicle, or poor observation, failing to check mirrors and blind spots adequately throughout the manoeuvre. Both are avoidable with consistent practice under realistic conditions.
8. Can I Ask the Examiner About My Driving Test Faults During the Test?
No. The examiner will not discuss driving test faults or provide feedback while the test is in progress. Their role during the test is to observe and record, not to instruct or comment.
Once the test is over, the examiner will go through the result sheet and briefly explain the faults recorded. For a more detailed debrief and a proper action plan, your Let’s Instruct instructor is the right person to turn to, particularly after a failed attempt.
9. How Do I Read My Driving Test Fault Sheet After a Fail?
The DVSA result sheet lists every fault recorded during your test, grouped by category and showing whether each was a driving, serious, or dangerous fault. Each category on the sheet corresponds to a specific aspect of driving.
Reading it carefully is the essential first step after a failed test. Look for patterns rather than totals. Two serious faults in the same category point directly to what needs the most work. A spread of minor faults across different areas tells a different story entirely.
Let’s Instruct instructors to sit down with pupils after a failed test and work through the result sheet together, building a focused lesson plan around what the marks actually show.
10. How Can I Reduce Driving Test Faults Before My Test?
The most effective ways to reduce driving test faults before your test come down to three things: consistency, mock tests, and route familiarity.
Consistency means reaching a standard in lessons that holds up under pressure, not just on good days with your instructor watching. Mock tests replicate real conditions and reveal which faults appear when nerves are involved. Route familiarity removes the distraction of unknown roads, so your attention stays on your driving rather than navigating.
RouteBuddy Driving Test Routes helps directly with that third point. It is a navigation app that simulates the routes used at every test centre in the UK, including those serving Northamptonshire. Practising your local routes through RouteBuddy Driving Test Routes combined with focused lessons through Let’s Instruct, gives you the best possible preparation for reducing driving test faults on the day.
RouteBuddy Driving Test Routes is available on the Apple App Store and Google Play Store, and supports Apple CarPlay and Android Auto.
Prepare Properly With Let’s Instruct
Driving test faults are not random. They follow patterns, and those patterns are fixable. Let’s Instruct has qualified ADIs across Northamptonshire who understand exactly how the marking system works, which faults come up most often at local test centres, and how to address them before your test date arrives.
Visit our website, find a local instructor, and start building the kind of preparation that turns driving test faults into a pass certificate.



