| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 866 |
| Brake pipe excessively corroded | 531 |
| Headlamp aim out of alignment | 434 |
| Parking brake: efficiency below requirements |3.7.B.7| | 313 |
| Windscreen wiper does not clear the windscreen effectively | 233 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 186 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 182 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 160 |
| Rear parking brake recording little or no effort | 155 |
| Brakes imbalanced across an axle | 122 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 89 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 86 |
| Registration plate issues | 80 |
| Offside Rear fog lamp not working |1.3.2b| | 80 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 78 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 75 |
| Brake hose excessively deteriorated | 72 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 65 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 64 |
| Horn not working |1.6.2a| | 63 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 61 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 60 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 60 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 60 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 50 |
| Nearside Stop lamp not working |1.2.1b| | 46 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 46 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 46 |
| Offside Stop lamp not working |1.2.1b| | 45 |
| Parking brake lever has no reserve travel |3.1.6b| | 43 |
| Front brake disc in such a condition that it is seriously weakened | 40 |
| Rear brake binding | 39 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 36 |
| Rear brake disc in such a condition that it is seriously weakened | 35 |
| Direction indicators incorrect colour |1.4.A.2f| | 35 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 32 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 30 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 30 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 27 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 27 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 27 |
| Anti-lock braking system warning lamp indicates an ABS fault | 25 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 25 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 24 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Front brake application uneven | 24 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |
| Offside Rear Stop lamp not working |1.2.1b| | 22 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 22 |
| Rear fog lamp tell tale not working |1.3.1b| | 22 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 21 |
| Front position lamp|s| not working |1.1.A.3b| | 20 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 19 |
| Nearside Headlamp not working on main beam |1.7.5a| | 18 |
| Nearside Rear Stop lamp not working |1.2.1b| | 18 |
| Windscreen has damage | 18 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 17 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 17 |
| All position lamps not working |1.1.A.3b| | 16 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Offside Headlamp not working on main beam |1.7.5a| | 16 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Offside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 15 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Steering rack gaiter split |2.2.D.2d| | 14 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Rear Rear fog lamp not working |1.3.2b| | 13 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 12 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 12 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 11 |
| Offside front brake binding |3.7.B.1| | 11 |
| Headlamp switch faulty |1.7.1| | 10 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 10 |
| Emissions not tested |7.0| | 10 |
| Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Windscreen wiper blade insecure | 10 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Side repeater not working |1.4.A.2c| | 9 |
| Nearside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Offside Front coil spring fractured |2.4.C.1a| | 9 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 9 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Rear brake application uneven | 8 |
| Nearside Side repeater not working |1.4.A.2c| | 8 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Front All position lamps not working |1.1.A.3b| | 8 |
| Nearside Rear All position lamps not working |1.1.A.3b| | 8 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 8 |
| Bonnet cannot be secured in the closed position |8.4.1| | 8 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Offside Rear All position lamps not working |1.1.A.3b| | 7 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 7 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 7 |
| Rear fog lamp switch faulty |1.3.1a| | 7 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 7 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Rear brake disc excessively scored |3.5.1h| | 6 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside front brake binding |3.7.B.1| | 6 |
| Offside Front coil spring incomplete |2.4.C.1a| | 6 |
| Nearside Headlamp insecure |1.7.3| | 6 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 6 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 6 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 6 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 6 |
| Offside Front All position lamps not working |1.1.A.3b| | 6 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Brake hose damaged | 6 |