| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2042 |
| Headlamp aim out of alignment | 1713 |
| Registration plate lamp issues | 1614 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 825 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 822 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 789 |
| Parking brake: efficiency below requirements |3.7.B.7| | 776 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 751 |
| Brake pipe excessively corroded | 682 |
| Registration plate issues | 680 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 670 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 633 |
| Hazard warning switch faulty |1.4.B.1d| | 600 |
| Rear parking brake recording little or no effort | 509 |
| Brakes imbalanced across an axle | 493 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 450 |
| Centre Stop lamp not working |1.2.1b| | 446 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 420 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 395 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 393 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 372 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 340 |
| Windscreen has damage | 328 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 309 |
| Nearside Stop lamp not working |1.2.1b| | 306 |
| Front brake disc in such a condition that it is seriously weakened | 293 |
| Offside Stop lamp not working |1.2.1b| | 285 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 269 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 253 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 250 |
| Service brake: efficiency below requirements |3.7.B.7| | 228 |
| Windscreen washer not working | 220 |
| Horn not working |1.6.2a| | 199 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 191 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 190 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 186 |
| Rear brake disc in such a condition that it is seriously weakened | 178 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 166 |
| Offside Rear coil spring broken |2.4.C.1a| | 165 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 153 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 143 |
| Hazard warning lamps inoperative |1.4.B.1b| | 142 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 142 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 142 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 140 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 136 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 136 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 135 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 130 |
| Nearside Rear coil spring broken |2.4.C.1a| | 128 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 127 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 120 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 120 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 117 |
| Rear brake binding | 114 |
| Offside Rear fog lamp not working |1.3.2b| | 112 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 111 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 109 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 107 |
| Parking brake lever has no reserve travel |3.1.6b| | 104 |
| Nearside Rear Stop lamp not working |1.2.1b| | 103 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 101 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 100 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 99 |
| Nearside Front Shock absorbers has a serious fluid leak | 98 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 94 |
| Brake hose has insufficient room to move | 94 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 90 |
| Offside Rear Stop lamp not working |1.2.1b| | 88 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 88 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 82 |
| Stop lamp not working |1.2.1b| | 80 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 79 |
| Offside Front Shock absorbers has a serious fluid leak | 79 |
| Rear fog lamp not working |1.3.2b| | 78 |
| Windscreen wiper blade insecure | 75 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 75 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 74 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 72 |
| Centre Rear Stop lamp not working |1.2.1b| | 70 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 70 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 67 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 66 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 66 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 65 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 64 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 63 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 62 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 61 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 60 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 59 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 58 |
| Offside front brake binding |3.7.B.1| | 57 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 57 |
| Rear brake application uneven | 56 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 55 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 55 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 55 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 55 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 55 |
| Front brake application uneven | 54 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 54 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 53 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 53 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 51 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 51 |
| Fuel system component leaking |7.2.3| | 50 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 50 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 50 |
| Nearside Headlamp insecure |1.7.3| | 50 |
| Offside Headlamp insecure |1.7.3| | 50 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 49 |
| Central Stop lamp not working |1.2.1b| | 49 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 48 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 48 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 46 |
| Front position lamp|s| not working |1.1.A.3b| | 46 |
| Centre Upper Stop lamp not working |1.2.1b| | 46 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 45 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Upper Stop lamp not working |1.2.1b| | 45 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 44 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 44 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 44 |
| Offside Front Position lamp not working |4.2.1 |a|| | 44 |
| Nearside Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 43 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 43 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 43 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 42 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 42 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 42 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 41 |
| Offside Suspension arm has excessive play in a ball joint |2.4.G.2| | 41 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 41 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 40 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 40 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 40 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 39 |
| Horn not working (7.7 (a)) | 39 |