| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 281 |
| Brake pipe excessively corroded | 219 |
| Headlamp aim out of alignment | 167 |
| Parking brake: efficiency below requirements |3.7.B.7| | 154 |
| Registration plate lamp issues | 96 |
| Rear parking brake recording little or no effort | 95 |
| Brake hose excessively deteriorated | 90 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 61 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 49 |
| Registration plate issues | 36 |
| Brakes imbalanced across an axle | 33 |
| Parking brake lever has no reserve travel |3.1.6b| | 31 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Rear brake disc in such a condition that it is seriously weakened | 24 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 22 |
| Battery insecure |1.9.1| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Rear brake binding | 21 |
| Nearside Rear coil spring broken |2.4.C.1a| | 20 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 20 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 18 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Rear coil spring broken |2.4.C.1a| | 16 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 16 |
| 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| | 15 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 12 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i)) | 12 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| 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| | 12 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 12 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 12 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Windscreen wiper blade insecure | 11 |
| Offside Front coil spring broken |2.4.C.1a| | 11 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 11 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Offside Front Position lamp not working |4.2.1 |a|| | 10 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| 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| | 9 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 9 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| 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| | 8 |
| Exhaust system not adequately supported |7.1.1| | 8 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| 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| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Stop lamp not working |1.2.1b| | 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| | 8 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i)) | 7 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Rear brake application uneven | 7 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 7 |
| Front brake excessively fluctuating | 7 |
| 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| | 7 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| 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| | 7 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Front Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Nearside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 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 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Front brake application uneven | 6 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 6 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 5 |
| Nearside Front Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 5 |
| Windscreen washer not working | 5 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 5 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 5 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 5 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Rear fog lamp switch faulty |1.3.1a| | 5 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 5 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |