| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 986 |
| Headlamp aim out of alignment | 757 |
| Registration plate lamp issues | 561 |
| Parking brake: efficiency below requirements |3.7.B.7| | 561 |
| Windscreen wiper does not clear the windscreen effectively | 389 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 368 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 339 |
| Rear parking brake recording little or no effort | 280 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 248 |
| Registration plate issues | 239 |
| Brakes imbalanced across an axle | 192 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 172 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 157 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 154 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 144 |
| Brake hose excessively deteriorated | 141 |
| Offside Rear fog lamp not working |1.3.2b| | 135 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 113 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 109 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 104 |
| Horn not working |1.6.2a| | 96 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 96 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 91 |
| Nearside Stop lamp not working |1.2.1b| | 88 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 87 |
| Offside Stop lamp not working |1.2.1b| | 87 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 86 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 83 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 80 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 79 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 74 |
| Front brake disc in such a condition that it is seriously weakened | 69 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 67 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 66 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 65 |
| Parking brake lever has no reserve travel |3.1.6b| | 64 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 62 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 59 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 59 |
| Rear brake disc in such a condition that it is seriously weakened | 58 |
| Rear brake binding | 57 |
| Direction indicators incorrect colour |1.4.A.2f| | 57 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 55 |
| Anti-lock braking system warning lamp indicates an ABS fault | 53 |
| Service brake: efficiency below requirements |3.7.B.7| | 52 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 52 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 50 |
| Rear fog lamp tell tale not working |1.3.1b| | 49 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 48 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 47 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 46 |
| Offside Steering rack gaiter split |2.2.D.2d| | 46 |
| Front position lamp|s| not working |1.1.A.3b| | 45 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 45 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 45 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 45 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 44 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 42 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 42 |
| Nearside Headlamp not working on main beam |1.7.5a| | 41 |
| Windscreen has damage | 38 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 38 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 36 |
| Nearside Rear Stop lamp not working |1.2.1b| | 36 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 36 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 36 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 35 |
| Front brake application uneven | 35 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 34 |
| Offside Rear Stop lamp not working |1.2.1b| | 33 |
| Offside Headlamp not working on main beam |1.7.5a| | 32 |
| Offside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 32 |
| Nearside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 30 |
| Emissions not tested |7.0| | 29 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 28 |
| All position lamps not working |1.1.A.3b| | 28 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 28 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 28 |
| Windscreen wiper blade insecure | 27 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 25 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 25 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 25 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 24 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 24 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 23 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 23 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 23 |
| Rear Rear fog lamp not working |1.3.2b| | 22 |
| Nearside Headlamp insecure |1.7.3| | 21 |
| Headlamp switch faulty |1.7.1| | 20 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 20 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 20 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 20 |
| Rear fog lamp not working |1.3.2b| | 20 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 17 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Brake hose damaged | 17 |
| Rear brake disc excessively pitted |3.5.1h| | 16 |
| Battery insecure |1.9.1| | 16 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 16 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 16 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Offside Front All position lamps not working |1.1.A.3b| | 15 |
| Hazard warning switch faulty |1.4.B.1d| | 15 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Rear brake application uneven | 15 |
| Bonnet cannot be secured in the closed position |8.4.1| | 14 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 14 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 14 |
| Rear fog lamp switch faulty |1.3.1a| | 14 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 14 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 13 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Front All position lamps not working |1.1.A.3b| | 12 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside front brake binding |3.7.B.1| | 12 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 12 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Offside Front brake disc excessively pitted |3.5.1h| | 11 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Brake performance not tested |3.7.A.1| | 11 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Rear All position lamps not working |1.1.A.3b| | 11 |
| Nearside Rear All position lamps not working |1.1.A.3b| | 11 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 11 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Offside Front front brake binding |3.7.B.1| | 11 |
| Position lamp switch faulty |1.1.A.1| | 11 |
| Offside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Offside Headlamp aim not tested |1.8.A.1c| | 11 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 10 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Offside front brake juddering severely |3.7.A.2b| | 10 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 10 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 10 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Fuel system component leaking |7.2.3| | 10 |