| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 6865 |
| Headlamp aim out of alignment | 5535 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3015 |
| Registration plate lamp issues | 3013 |
| Rear parking brake recording little or no effort | 1625 |
| Offside Stop lamp not working |1.2.1b| | 1471 |
| Brake pipe excessively corroded | 1260 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1249 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1166 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1074 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1069 |
| Rear brake binding | 1038 |
| Registration plate issues | 1036 |
| Nearside Stop lamp not working |1.2.1b| | 994 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 931 |
| Brakes imbalanced across an axle | 898 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 806 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 707 |
| Offside Rear Stop lamp not working |1.2.1b| | 633 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 619 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 595 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 592 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 587 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 550 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 517 |
| Brake hose excessively deteriorated | 487 |
| Nearside Rear Stop lamp not working |1.2.1b| | 483 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 481 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 472 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 472 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 452 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 446 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 446 |
| Battery insecure |1.9.1| | 434 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 420 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 418 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 413 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 410 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 395 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 390 |
| Front Exhaust system not adequately supported |7.1.1| | 370 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 364 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 357 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 356 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 353 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 352 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 350 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 348 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 342 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 336 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 332 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 330 |
| Front brake disc in such a condition that it is seriously weakened | 330 |
| Rear brake disc in such a condition that it is seriously weakened | 324 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 319 |
| Anti-lock braking system warning lamp indicates an ABS fault | 304 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 291 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 290 |
| Parking brake lever has no reserve travel |3.1.6b| | 284 |
| Windscreen has damage | 265 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 259 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 257 |
| Rear brake application uneven | 257 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 251 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 251 |
| Windscreen wiper blade insecure | 247 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 240 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 237 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 232 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 231 |
| Exhaust system not adequately supported |7.1.1| | 231 |
| Power steering component|s| leaking |2.3.3b| | 224 |
| Horn not working |1.6.2a| | 221 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 221 |
| Offside Rear fog lamp not working |1.3.2b| | 213 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 207 |
| Front brake application uneven | 202 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 199 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 190 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 178 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 178 |
| Emissions not tested |7.0| | 173 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 169 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 160 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 158 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 157 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 154 |
| Offside Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 153 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 146 |
| Rear Mechanical brake component has restricted free movement | 145 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 141 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 141 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 141 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 141 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 138 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 135 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 133 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 133 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 132 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 132 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 130 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 129 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 127 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 124 |
| Centre Stop lamp not working |1.2.1b| | 117 |
| Offside front brake binding |3.7.B.1| | 116 |
| Service brake: efficiency below requirements |3.7.B.7| | 110 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 108 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 106 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 105 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 105 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 104 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 103 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 101 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 101 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 101 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 100 |