| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 3483 |
| Windscreen wiper does not clear the windscreen effectively | 2935 |
| Registration plate lamp issues | 2442 |
| Brakes imbalanced across an axle | 1679 |
| Headlamp aim out of alignment | 1387 |
| Rear brake binding | 1086 |
| Parking brake: efficiency below requirements |3.7.B.7| | 904 |
| Parking brake lever has no reserve travel |3.1.6b| | 755 |
| Rear parking brake recording little or no effort | 654 |
| Rear Exhaust system not adequately supported |7.1.1| | 630 |
| Offside Stop lamp not working |1.2.1b| | 614 |
| Service brake: efficiency below requirements |3.7.B.7| | 600 |
| Registration plate issues | 590 |
| Nearside Stop lamp not working |1.2.1b| | 569 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 492 |
| Front Exhaust system not adequately supported |7.1.1| | 467 |
| Front brake disc in such a condition that it is seriously weakened | 435 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 372 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 360 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 357 |
| Exhaust system not adequately supported |7.1.1| | 351 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 334 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 329 |
| Offside Front brake disc excessively pitted |3.5.1h| | 317 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 309 |
| Offside front brake binding |3.7.B.1| | 286 |
| Rear brake application uneven | 274 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 243 |
| Nearside Rear Stop lamp not working |1.2.1b| | 222 |
| Offside Rear Stop lamp not working |1.2.1b| | 215 |
| Nearside front brake binding |3.7.B.1| | 212 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 190 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 185 |
| Centre Stop lamp not working |1.2.1b| | 183 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 174 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 158 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 151 |
| Rear Mechanical brake component has restricted free movement | 144 |
| Offside Front front brake binding |3.7.B.1| | 143 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 139 |
| Mechanical brake component has restricted free movement | 136 |
| Front brake disc excessively pitted |3.5.1h| | 134 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 134 |
| Offside Front coil spring fractured |2.4.C.1a| | 132 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 131 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 130 |
| Offside Front coil spring broken |2.4.C.1a| | 130 |
| Windscreen wiper blade insecure | 122 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 121 |
| Front brake application uneven | 116 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 114 |
| Brake hose excessively deteriorated | 114 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 107 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 105 |
| Nearside Front front brake binding |3.7.B.1| | 103 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 101 |
| Horn not working |1.6.2a| | 92 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 91 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 91 |
| Centre Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 87 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 82 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 82 |
| Windscreen has damage | 81 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 76 |
| Stop lamp not working |1.2.1b| | 75 |
| Centre Exhaust system not adequately supported |7.1.1| | 75 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 72 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 71 |
| Nearside Front coil spring broken |2.4.C.1a| | 69 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 68 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 67 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 66 |
| Battery insecure |1.9.1| | 65 |
| Nearside Side repeater not working |1.4.A.2c| | 65 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 64 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 62 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 62 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 61 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 61 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 60 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 59 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 59 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 59 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 59 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 58 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 53 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 53 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 53 |
| Offside Rear fog lamp not working |1.3.2b| | 52 |
| Offside Front coil spring incomplete |2.4.C.1a| | 52 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 52 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 52 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 51 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 50 |
| Offside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 50 |
| Offside Side repeater not working |1.4.A.2c| | 50 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 49 |
| Centre Rear Stop lamp not working |1.2.1b| | 49 |
| Nearside Front coil spring fractured |2.4.C.1a| | 48 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 48 |
| Rear Exhaust mounting missing |7.1.1b| | 48 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 47 |
| Offside Front brake disc excessively scored |3.5.1h| | 47 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 47 |