Most Common Driving Test Faults

With a national pass rate of around 50.6%, the majority of test failures trace back to a small number of recurring fault categories. Most are not caused by lack of ability — they're caused by gaps in technique that haven't been drilled under realistic conditions. Understanding exactly what examiners mark, and why, lets you focus your preparation on what actually matters.

Faults fall into three types: dangerous (immediate fail, risk to life), serious (immediate fail, significant risk), and minor/driving faults (up to 15 allowed, but 3+ of the same fault can become serious). The faults below are the most commonly recorded across all three categories.

1. Observation at Junctions

This is consistently the most common fault category in DVSA data. It includes failing to look properly before emerging from a junction, pulling out in front of oncoming vehicles, and not checking adequately at crossroads.

Why it happens: Candidates look but don't process — they perform a head turn without actually assessing the speed and distance of approaching vehicles. Under test conditions, nervousness speeds up decision-making at the worst moment.

How to fix it: Practice a deliberate pause at give-way lines before emerging. Use a consistent routine: mirror, right, left, right again before moving. In lessons, have your instructor ask you to narrate what you see — this forces genuine observation rather than mechanical head turns.

2. Use of Mirrors

The second most common fault category. Specifically: not checking mirrors before signalling, before changing speed, before changing direction, or at regular intervals on the open road.

Why it happens: Candidates know they should check mirrors and do so — but not in the right sequence. The correct order is mirror, signal, manoeuvre, not signal then mirror as an afterthought.

How to fix it: Make mirror checks visible to the examiner. A slight but deliberate head movement signals that you're actively checking. Practice the MSM (Mirror-Signal-Manoeuvre) routine until the sequence is automatic.

3. Incorrect Positioning on the Road

This covers: driving too close to the kerb, taking up the wrong lane on a roundabout, positioning incorrectly at junctions, or straddling lanes on approach to a hazard.

Why it happens: Many candidates haven't driven on multi-lane roads or complex roundabouts enough times to feel confident. On the test, uncertainty causes hesitation and incorrect lane choices.

How to fix it: Specifically practise the roads near your test centre. Identify the roundabouts and multi-lane sections on the published test routes and work through them in lessons until lane positioning is instinctive.

4. Lack of Steering Control

Faults here include: coasting around corners (clutch depressed during a turn), steering too early or too late, mounting the kerb, and crossing hands during normal steering (though crossing hands is not itself a fault — loss of control is).

Why it happens: Steering faults usually appear when candidates are managing several things simultaneously — following an unfamiliar route, monitoring speed, watching for hazards. Steering degrades when concentration is split.

How to fix it: Use the pull-push steering technique and practise it until it's truly habitual. Work specifically on slow manoeuvres: bay parking and parallel parking expose steering control issues more than any other exercise.

5. Inappropriate Speed

Both driving too slowly and driving too fast are marked. Driving well below the speed limit on a clear, safe road is a fault — candidates who creep through 30mph zones at 18mph are penalised for hesitancy, not rewarded for caution.

Why it happens: Nervous candidates slow down as a coping mechanism. They perceive it as safer. Examiners perceive it as a failure to drive competently in normal conditions.

How to fix it: In lessons, practise matching your speed to the limit wherever it's safe to do so. Use speed-limit signs as triggers: when you see a limit sign, check your speedometer. On dual carriageways, 60–70mph should feel normal before your test.

6. Response to Traffic Signals

This includes: failing to stop at a red light, moving on amber when stopping was possible, stopping on yellow box junctions, and incorrect responses at filter lights.

Why it happens: Candidates approaching traffic lights on amber make a split-second decision that doesn't go through the correct thought process. Running a red light is a dangerous fault and an immediate fail.

How to fix it: Approach all traffic lights with a clear plan: "If it changes now, can I stop safely?" If yes, be prepared to stop. Don't commit to going through on amber unless you're past the point of no return. Practice this decision-making explicitly with your instructor.

7. Moving Off Safely

Includes failing to check blind spots before moving off, pulling out into oncoming traffic, or stalling and then pulling away without completing the safety checks again.

Why it happens: Moving off routines can become mechanical rather than meaningful after hundreds of repetitions. On test day, candidates sometimes perform the physical checks without genuinely assessing whether it's safe.

How to fix it: Develop a deliberate routine: handbrake off, into gear, check right, left, right, rear-view, then pull away. After a stall, treat it as a fresh move-off — repeat all checks before moving. Speed is not important; safety is.

8. Reverse Parking

Whether parallel parking or reverse bay parking, these manoeuvres account for a significant proportion of serious faults. The most common error is failing to observe properly during the manoeuvre, particularly failing to check blind spots as the vehicle reverses.

Why it happens: Candidates concentrate so hard on the steering and positioning of the manoeuvre that observation suffers. Examiners aren't primarily marking your parking accuracy — they're marking your all-round observation.

How to fix it: During every reverse manoeuvre, make a full 360-degree check before you begin, and check all around repeatedly as you reverse. If another vehicle or pedestrian approaches, stop and wait. Slow the manoeuvre right down if needed — there is no time pressure.

9. Response to Road Markings

This covers: failing to comply with give-way lines, stopping on solid white lines, incorrect behaviour at box junctions, and ignoring lane markings at roundabouts or junctions.

Why it happens: Road markings are often processed subconsciously in normal driving. On the test, encountering an unfamiliar marking or an unusual junction layout can cause a delayed or incorrect response.

How to fix it: Review road markings in the Highway Code, particularly box junctions, hatched markings, and double white lines. Study the specific roads around your test centre so unusual markings don't appear for the first time during the test itself.

10. Pedestrian Crossings

Faults here include: failing to give way to pedestrians already on a zebra crossing, moving forward when a light-controlled crossing shows red, not anticipating a crossing early enough, and driving over a crossing without checking for late pedestrians.

Why it happens: Pedestrian crossings require the driver to monitor both the signal and the crossing itself simultaneously. In busy town centres under test conditions, this can overload attention.

How to fix it: Treat every crossing as potentially occupied until you're certain it isn't. Approach crossings with reduced speed and be prepared to stop. On zebra crossings, give way as soon as a pedestrian steps onto the crossing, not when they reach your lane.