What actually causes fails
10 guides in the what actually causes fails section of why people fail (and how to fix it). Pick any to read in full.
- Guide, 6 min readWhy people fail
The 10 most common UK driving test fail reasons from DVSA fault data, with a fix for each. Junctions, mirrors, manoeuvres and progress dominate every year.
Read article - Guide, 5 min readMistakes allowed
How many faults you can have and still pass the UK driving test. Driving (minor) faults vs serious vs dangerous, the 15-minor cap, and what actually fails you.
Read article - Guide, 7 min readFaults explained
UK driving test faults 2026: up to 15 minors (16th fails you), zero serious or major faults allowed. Full list of common driving, serious and dangerous faults.
Read article - Guide, 6 min readFault categories
Driving, serious and dangerous faults explained: the 15 fault limit, the four ways to fail, and the DVSA top 10 fault ranking for April 2025 to March 2026.
Read article - Guide, 6 min readMost common driving test faults
Junctions and mirrors are the most-recorded UK driving test fault categories (DVSA 2024-25 rank data): the categories, why they dominate, and how to fix each.
Read article - Guide, 4 min readJunction observation fault
Junctions - observation is the most common driving test fail reason in the UK (2024-25 DVSA data). What examiners look for, why learners fail, and how to fix it.
Read article - Guide, 8 min readMajor faults: full list
The DVSA marks faults across 25 categories. This ranks the 8 that end the most tests, from junctions and mirrors down, with what the examiner marks.
Read article - Guide, 6 min readTest myths debunked
9 UK driving test myths checked against DVSA data: examiner quotas, lucky time slots, rigged centres, and automatic vs manual test difficulty.
Read article - Guide, 4 min readMinor vs serious faults
UK driving test faults: 15 minor and you still pass, 1 serious and the test ends. What turns the same mistake into either mark, with real test examples.
Read article - Guide, 7 min readTest day failure modes
A 2026 breakdown of UK driving test day mistakes that have nothing to do with driving: late arrival, wrong documents, vehicle issues, eyesight test failure. The frequency, the cost, and how to avoid the non-driving mistakes that end your test before you have left the centre car park.
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