| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 153 |
| Headlamp aim out of alignment | 134 |
| Rear parking brake recording little or no effort | 76 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 66 |
| Windscreen wiper does not clear the windscreen effectively | 59 |
| Horn not working |1.6.2a| | 39 |
| Brakes imbalanced across an axle | 39 |
| Registration plate lamp issues | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 34 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Service brake: efficiency below requirements |3.7.B.7| | 29 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 25 |
| Registration plate issues | 25 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 20 |
| Nearside Side repeater not working |1.4.A.2c| | 19 |
| Rear brake binding | 18 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Brake pipe excessively corroded | 18 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Nearside Headlamp not working on main beam |1.7.5a| | 14 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside front brake binding |3.7.B.1| | 13 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Front Direction indicator not working |1.4.A.2c| | 10 |
| Nearside front brake binding |3.7.B.1| | 10 |
| Battery insecure |1.9.1| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Brake hose excessively deteriorated | 9 |
| Emissions not tested |7.0| | 9 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Direction indicators not working |1.4.A.2c| | 8 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Windscreen washer not working | 7 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Brake performance not tested |3.7.A.1| | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 6 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Rear fog lamp not working |1.3.2b| | 6 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 6 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Side repeater not working |1.4.A.2c| | 6 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Nearside Front Side repeater not working |1.4.A.2c| | 5 |
| Rear Rear fog lamp not working |1.3.2b| | 5 |
| Horn not working (7.7 (a)) | 5 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Steering column top mounting bracket insecure |2.1.2d| | 5 |
| Stop lamp not working |1.2.1b| | 5 |
| Brake hose has insufficient room to move | 5 |
| Bonnet cannot be secured in the closed position |8.4.1| | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Headlamp switch faulty |1.7.1| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Side repeater not working |1.4.A.2c| | 4 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Windscreen wiper blade insecure | 4 |
| Nearside Front Macpherson strut corroded and seriously weakened |2.4.G.1| | 4 |
| Rear brake application uneven | 4 |
| Nearside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| rear brake recording little or no effort |3.7.B.5a| | 4 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 4 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Steering column top bearing excessively worn |2.1.2c| | 4 |
| Position lamp switch faulty |1.1.A.1| | 3 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Front Braking system leaking |3.6.A.1| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Rear Stop lamp not working |1.2.1b| | 3 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 3 |
| Offside Rear Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Front brake application uneven | 3 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 3 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 3 |
| Offside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Bonnet retaining device ineffective |8.4.2| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear fog lamp switch faulty |1.3.1a| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front brake disc excessively pitted |3.5.1h| | 2 |
| Rear brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Rear Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Rear Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front Braking system leaking |3.6.A.1| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Rear Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 2 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 2 |
| Bonnet cannot be secured in the closed position |3.1 |b| |i|| | 2 |
| Nearside Side repeater insecure |1.4.A.2b| | 2 |
| Nearside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Indicator tell tale inoperative |1.4.A.2a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Offside Front Macpherson strut corroded and seriously weakened |2.4.G.1| | 2 |
| Nearside Rear Wheel bolt|s| loose |4.2.A.1e| | 2 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 2 |
| Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) | 2 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Windscreen has damage | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 2 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Headlamp insecure |1.7.3| | 2 |
| Front Body insecure and dangerous to other road users |6.1.B.1b| | 2 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 2 |
| Nearside Rear Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 2 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |