| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1960 |
| Headlamp aim out of alignment | 1143 |
| Windscreen wiper does not clear the windscreen effectively | 781 |
| Brake hose excessively deteriorated | 678 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 596 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 553 |
| Parking brake: efficiency below requirements |3.7.B.7| | 547 |
| Rear parking brake recording little or no effort | 415 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 360 |
| Registration plate issues | 354 |
| Brakes imbalanced across an axle | 277 |
| Anti-lock braking system warning lamp indicates an ABS fault | 194 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 184 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 180 |
| Parking brake lever has no reserve travel |3.1.6b| | 180 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 174 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 165 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 165 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 155 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 149 |
| Rear Exhaust system not adequately supported |7.1.1| | 148 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 147 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 147 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 146 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 144 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 141 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 136 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 135 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 125 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 124 |
| Offside Rear fog lamp not working |1.3.2b| | 122 |
| Nearside Stop lamp not working |1.2.1b| | 121 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 120 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 119 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 113 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 109 |
| Offside Stop lamp not working |1.2.1b| | 107 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 106 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 106 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 102 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 101 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 95 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 93 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 92 |
| Front brake disc in such a condition that it is seriously weakened | 91 |
| Rear brake binding | 82 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 81 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 77 |
| Rear brake disc in such a condition that it is seriously weakened | 76 |
| Rear brake application uneven | 76 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 74 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 71 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 69 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 67 |
| Rear fog lamp not working |1.3.2b| | 67 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 65 |
| Offside Front Direction indicator not working |1.4.A.2c| | 64 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 59 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 58 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 58 |
| Front brake application uneven | 56 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 56 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 50 |
| Windscreen has damage | 50 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 50 |
| Nearside Rear Stop lamp not working |1.2.1b| | 49 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 48 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 47 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 46 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 46 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 45 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 44 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 42 |
| Front position lamp|s| not working |1.1.A.3b| | 42 |
| Emissions not tested |7.0| | 42 |
| Offside Steering rack gaiter split |2.2.D.2d| | 42 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 42 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 42 |
| Battery insecure |1.9.1| | 42 |
| Brake hose damaged | 41 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 41 |
| Offside Rear Stop lamp not working |1.2.1b| | 41 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 40 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 38 |
| Nearside Headlamp not working on main beam |1.7.5a| | 38 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 38 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 37 |
| Exhaust system not adequately supported |7.1.1| | 36 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 35 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 35 |
| Windscreen wiper blade insecure | 34 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 34 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 34 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 34 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 34 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 32 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 32 |
| Offside Headlamp not working on main beam |1.7.5a| | 31 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 30 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 30 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 30 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 29 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 29 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 28 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 28 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 28 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 28 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 27 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 27 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 27 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 26 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 26 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 25 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Offside front brake binding |3.7.B.1| | 24 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 24 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 24 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 23 |