| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2335 |
| Registration plate lamp issues | 2253 |
| Brake pipe excessively corroded | 2140 |
| Windscreen wiper does not clear the windscreen effectively | 1420 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1225 |
| Registration plate issues | 1038 |
| Horn not working |1.6.2a| | 797 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 791 |
| Nearside Stop lamp not working |1.2.1b| | 720 |
| Offside Rear coil spring fractured |2.4.C.1a| | 702 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 664 |
| Rear parking brake recording little or no effort | 603 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 601 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 588 |
| Offside Stop lamp not working |1.2.1b| | 563 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 506 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 483 |
| Parking brake lever has no reserve travel |3.1.6b| | 473 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 415 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 342 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 342 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 341 |
| Centre Stop lamp not working |1.2.1b| | 313 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 309 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 300 |
| Nearside Rear coil spring broken |2.4.C.1a| | 282 |
| Nearside Rear Stop lamp not working |1.2.1b| | 281 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 280 |
| Offside Rear coil spring broken |2.4.C.1a| | 275 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 275 |
| Anti-lock braking system warning lamp indicates an ABS fault | 267 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 265 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 263 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 240 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 236 |
| Offside Rear Stop lamp not working |1.2.1b| | 234 |
| Nearside Rear Anti-roll bar linkage missing |2.4.G.1| | 229 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 220 |
| Offside Rear Anti-roll bar linkage missing |2.4.G.1| | 214 |
| Front brake disc in such a condition that it is seriously weakened | 210 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 201 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 197 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 195 |
| Brake hose damaged | 191 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 190 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 184 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 183 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 179 |
| Offside Rear coil spring cracked |2.4.C.1a| | 168 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 167 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 158 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 151 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 150 |
| Nearside Rear coil spring cracked |2.4.C.1a| | 149 |
| Brake hose excessively deteriorated | 148 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 148 |
| Offside Rear fog lamp not working |1.3.2b| | 148 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 138 |
| Nearside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 129 |
| Rear brake disc in such a condition that it is seriously weakened | 119 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 119 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 119 |
| Brakes imbalanced across an axle | 114 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 112 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 108 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 107 |
| Windscreen has damage | 107 |
| Direction indicators incorrect colour |1.4.A.2f| | 102 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 101 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 100 |
| Offside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 99 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 97 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 96 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 94 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 93 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 93 |
| Service brake: efficiency below requirements |3.7.C.1a| | 92 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 92 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 91 |
| Rear fog lamp not working |1.3.2b| | 90 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 88 |
| Nearside Rear Anti-roll bar missing |2.4.G.1| | 86 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 84 |
| Battery insecure |1.9.1| | 83 |
| Offside Rear Anti-roll bar missing |2.4.G.1| | 83 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 78 |
| Stop lamp not working |1.2.1b| | 77 |
| Rear fog lamp switch insecure |1.3.1a| | 77 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 76 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 74 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 74 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 74 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 72 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 69 |
| Service brake: efficiency below requirements |3.7.B.7| | 68 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 68 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 67 |
| Centre Rear Stop lamp not working |1.2.1b| | 66 |
| Emissions not tested |7.0| | 66 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 65 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 65 |
| Offside Steering rack gaiter split |2.2.D.2d| | 64 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 63 |
| Rear fog lamp switch missing |1.3.1a| | 63 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 59 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 59 |
| Rear brake binding | 59 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 57 |
| Rear fog lamp tell tale not working |1.3.1b| | 57 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 55 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 55 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 55 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 55 |
| Brake hose has insufficient room to move | 54 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 54 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 53 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 53 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 50 |
| Offside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 50 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 49 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 49 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Brake performance not tested |3.7.A.1| | 48 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 48 |
| Direction indicator incorrect colour |1.4.A.2f| | 47 |
| Windscreen wiper blade insecure | 47 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 46 |
| Windscreen washer not working | 46 |
| Nearside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 46 |
| Nearside front brake binding |3.7.B.1| | 45 |
| Rear Stop lamp not working |1.2.1b| | 45 |