Understanding how driving test faults work is essential for every learner driver. The UK driving test uses a clear marking system with three types of faults, and knowing the difference between them can help you focus your practice and approach your test with confidence.
Quick Summary
Pass threshold: Up to 15 minor faults allowed. Zero serious or dangerous faults permitted.
📐 The Three Types of Driving Test Faults
During your practical driving test, the examiner will assess your driving and mark any faults they observe. These faults fall into three categories, each with different consequences for your result.
Minor Faults
Also called "driving faults." These are small errors that do not pose an immediate danger.
✔ Up to 15 allowed
Serious Faults
A significant error that could potentially be dangerous to you, others, or property.
✘ Instant fail
Dangerous Faults
An error that actually caused danger to you, other road users, or property.
✘ Instant fail
📊 Pass and Fail Thresholds
Here is exactly what you need to know about the numbers:
To Pass Your Driving Test
15
or fewer minor faults
0
serious faults
0
dangerous faults
⚠ Important: When Minors Become Serious
Repeating the same minor fault multiple times can be escalated to a serious fault. For example, if you consistently fail to check mirrors before signalling throughout the test, the examiner may record this as a serious fault because it shows a habitual weakness in your driving.
📈 Most Common Driving Test Faults
Each year the DVSA publishes the most common reasons candidates fail the practical test, and the same fault areas top the list year after year. This is the latest list, for April 2025 to March 2026. Understanding them can help you focus your practice. Here they are, ranked.
📊 Top 10 Reasons for Failing (DVSA, April 2025 to March 2026)
Observation at junctions
Not looking properly before emerging
Mirrors when changing direction
Not checking mirrors before signalling, turning or changing lanes
Turning right at junctions
Poor position or timing when turning right
Response to traffic lights
Not reacting correctly to traffic lights
Steering control
Steering too early, too late, or not smoothly
Moving off safely
Not checking all around before moving off
Response to road markings
Missing lane arrows, lines or box markings
Response to traffic signs
Missing or ignoring signs
Positioning in normal driving
Poor lane or road position
Maintaining progress
Driving too slowly or hesitating when it is safe to go
📚 The 17 Competency Categories
The examiner marks your driving against the areas on the DVSA driving test report form. Understanding these categories helps you identify where to focus your practice.
📝 What Happens at the End of Your Test
When your test finishes, the examiner will park up and give you your result immediately. Here is what to expect:
✔ If You Pass
- The examiner will say "I am pleased to tell you that you have passed"
- You will receive a pass certificate with your fault count
- Your full licence will arrive by post within 3 weeks
- You can drive independently immediately with your pass certificate
✘ If You Fail
- The examiner will explain which faults caused the fail
- You will receive a test result sheet listing all faults
- You can book another test straight away, but the test date must be at least 10 working days away
- Review the feedback with your instructor to target weak areas
"Failing is not the end of the world. Many excellent drivers failed their first test. Use the feedback, practice the weak areas, and come back stronger."
👤 DriveThruL Instructors
✅ How to Avoid Common Faults
Follow these practical tips to minimise your chances of picking up faults:
👁 Observation Tips
- Look both ways at least twice at every junction
- Make your head movements obvious so the examiner can see you checking
- Check your mirrors every 8-10 seconds during normal driving
- Always check blind spots before moving off or changing lanes
🚗 Control Tips
- Practice clutch control until it becomes second nature
- Use the handbrake on hills to prevent rolling
- Apply smooth, progressive braking rather than sudden stops
- Keep two hands on the wheel except when changing gear
📍 Positioning Tips
- Stay in the centre of your lane on straight roads
- Position correctly before turning (left for left, right for right)
- Use the appropriate lane early on roundabouts
- Keep a safe distance from parked cars (door width)
🚨 Signalling Tips
- Signal in good time (but not too early)
- Check mirrors before signalling (MSM routine)
- Cancel signals promptly after completing the manoeuvre
- Only signal when it would benefit other road users
💡 What To Do If You Fail
Failing your driving test is disappointing, but it is not the end of your journey. Here is how to bounce back:
🔧 Your Recovery Plan
Review Your Feedback
Go through the test result sheet with your instructor. Understand exactly what went wrong and why.
Target Your Weak Areas
Book lessons specifically focused on the faults you made. Concentrated practice is more effective than general driving.
Book Another Test
You can rebook straight away for a date at least 10 working days away. Do not wait too long or you will lose confidence. Most instructors recommend 2-4 more lessons.
Stay Positive
Remember that many successful drivers failed their first test. Each attempt is a learning experience that brings you closer to passing.
~50%
of first attempts fail
15
minor fault limit
10
working days minimum wait
0
serious faults allowed
📋 Summary: Key Points to Remember
- ✔ 15 minor faults are allowed. Aim for zero, but do not panic if you make a few.
- ✘ One serious or dangerous fault means automatic fail, no exceptions.
- ⚠ Repeated minor faults can be upgraded to serious. Vary your mistakes if you must make them!
- 💡 Observation and mirrors top the DVSA list of fail reasons every year. Make your checks obvious.
- 📊 Every area on the test report is assessed. Practise all of them, not just manoeuvres.
🏆 Ready to Pass With Fewer Faults?
Our DVSA approved instructors know exactly what examiners look for. We will help you identify your weak areas and turn them into strengths before your test.
Book a Lesson Today →
