| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2408 |
| Headlamp aim out of alignment | 1841 |
| Registration plate lamp issues | 1279 |
| Offside Stop lamp not working |1.2.1b| | 603 |
| Nearside Stop lamp not working |1.2.1b| | 538 |
| Brake pipe excessively corroded | 471 |
| Registration plate issues | 470 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 457 |
| Brakes imbalanced across an axle | 454 |
| Rear brake binding | 440 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 415 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 394 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 393 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 378 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 359 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 353 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 350 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 334 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 296 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 275 |
| Offside Rear fog lamp not working |1.3.2b| | 255 |
| Nearside Rear Stop lamp not working |1.2.1b| | 234 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 230 |
| Rear fog lamp not working |1.3.2b| | 230 |
| Offside Rear Stop lamp not working |1.2.1b| | 214 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 201 |
| Parking brake lever has no reserve travel |3.1.6b| | 191 |
| Rear brake disc in such a condition that it is seriously weakened | 175 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 140 |
| Offside Front Anti-roll bar linkage missing |2.4.G.1| | 127 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 122 |
| Nearside Front Anti-roll bar linkage missing |2.4.G.1| | 117 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 112 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 111 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 109 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 106 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 102 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 102 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 100 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 100 |
| Parking brake: efficiency below requirements |3.7.B.7| | 94 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 89 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 84 |
| Front brake application uneven | 81 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 80 |
| Windscreen has damage | 80 |
| Windscreen wiper blade insecure | 79 |
| Front brake disc in such a condition that it is seriously weakened | 79 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 78 |
| Rear brake application uneven | 77 |
| Battery insecure |1.9.1| | 74 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 74 |
| Rear Mechanical brake component has restricted free movement | 73 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 72 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 71 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 70 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 69 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 67 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 67 |
| Offside Front Position lamp not working |4.2.1 |a|| | 63 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 62 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 62 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 61 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 61 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 60 |
| Offside front brake binding |3.7.B.1| | 59 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 58 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 58 |
| Rear Exhaust system not adequately supported |7.1.1| | 57 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 57 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 57 |
| Front brake excessively fluctuating | 56 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 54 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 53 |
| Anti-lock braking system warning lamp indicates an ABS fault | 52 |
| Offside Rear fog lamp missing |1.3.2a| | 52 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 51 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 50 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 49 |
| Offside Front front brake binding |3.7.B.1| | 48 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 47 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 47 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 47 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 47 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 42 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 42 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 42 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 41 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 41 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 41 |