| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 171 |
| Registration plate lamp issues | 152 |
| Headlamp aim out of alignment | 111 |
| Brake pipe excessively corroded | 91 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 56 |
| Brakes imbalanced across an axle | 42 |
| Rear brake binding | 39 |
| Parking brake: efficiency below requirements |3.7.B.7| | 37 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 37 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 35 |
| Rear parking brake recording little or no effort | 31 |
| Registration plate issues | 18 |
| Anti-lock braking system warning lamp indicates an ABS fault | 18 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Battery insecure |1.9.1| | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 12 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Front brake application uneven | 10 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Front brake excessively fluctuating | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 9 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Rear brake application uneven | 8 |
| Windscreen wiper blade insecure | 8 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Fuel system component leaking |7.2.3| | 8 |
| Windscreen has damage | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| 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| | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Driver`s airbag obviously defective |5.4.1| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Parking brake lever has no reserve travel |3.1.6b| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| 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| | 5 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Offside Front Brake pipe leaking |3.6.A.1| | 4 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 4 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Horn not working |1.6.2a| | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 3 |
| Offside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 3 |
| Offside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 3 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Central Rear Seat belt not functioning as intended (7.1.2 (c)) | 3 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 3 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 3 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 3 |