| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2720 |
| Headlamp aim out of alignment | 2562 |
| Windscreen wiper does not clear the windscreen effectively | 2350 |
| Parking brake: efficiency below requirements |3.7.B.7| | 993 |
| Brake pipe excessively corroded | 882 |
| Parking brake lever has no reserve travel |3.1.6b| | 828 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 785 |
| Rear parking brake recording little or no effort | 774 |
| Rear brake binding | 717 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 709 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 699 |
| Brakes imbalanced across an axle | 554 |
| Nearside Stop lamp not working |1.2.1b| | 525 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 472 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 432 |
| Offside Stop lamp not working |1.2.1b| | 394 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 348 |
| Registration plate issues | 267 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 266 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 249 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 246 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 242 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 242 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 233 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 225 |
| Nearside Rear Stop lamp not working |1.2.1b| | 201 |
| Offside Rear Stop lamp not working |1.2.1b| | 152 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 143 |
| Rear brake disc in such a condition that it is seriously weakened | 137 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 133 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 132 |
| Anti-lock braking system warning lamp indicates an ABS fault | 131 |
| Battery insecure |1.9.1| | 128 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 125 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 119 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 114 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 113 |
| Offside front brake binding |3.7.B.1| | 113 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 112 |
| Rear brake application uneven | 110 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 109 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 108 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 103 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 102 |
| Nearside front brake binding |3.7.B.1| | 101 |
| Power steering component|s| leaking |2.3.3b| | 101 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 100 |
| Front brake application uneven | 99 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 95 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 94 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 94 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 92 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 91 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 86 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 84 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 81 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 80 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 79 |
| Offside Front Position lamp not working |4.2.1 |a|| | 79 |
| Rear Mechanical brake component has restricted free movement | 79 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 78 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 75 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 75 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 73 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 72 |
| Front brake disc in such a condition that it is seriously weakened | 72 |
| Windscreen wiper blade insecure | 68 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 68 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 66 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 65 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 64 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 63 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 62 |
| Offside Front front brake binding |3.7.B.1| | 62 |
| Windscreen washer not working | 62 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 60 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 58 |
| Front brake excessively fluctuating | 56 |
| Nearside Front front brake binding |3.7.B.1| | 56 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 56 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 56 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 55 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 54 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 54 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 54 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 53 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 52 |
| Driver`s airbag obviously defective |5.4.1| | 52 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 51 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 50 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 50 |
| Bonnet cannot be secured in the closed position |8.4.1| | 49 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 48 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 48 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 47 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 47 |
| Windscreen has damage | 47 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 46 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 46 |
| rear parking |secondary| brakes imbalanced | 46 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 44 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 44 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 44 |
| Service brake: efficiency below requirements |3.7.B.7| | 43 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 42 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 40 |