| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 110 |
| Windscreen wiper does not clear the windscreen effectively | 54 |
| Headlamp aim out of alignment | 46 |
| Brake pipe excessively corroded | 45 |
| Nearside Stop lamp not working |1.2.1b| | 23 |
| Centre Stop lamp not working |1.2.1b| | 19 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 16 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Windscreen has damage | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Registration plate issues | 10 |
| Brakes imbalanced across an axle | 7 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 7 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Inner 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 Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 6 |
| Offside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 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 Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Rear parking brake recording little or no effort | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Windscreen washer not working | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Centre Rear Stop lamp not working |1.2.1b| | 4 |
| Horn not working |1.6.2a| | 4 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 4 |
| Battery insecure |1.9.1| | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Emissions not tested |7.0| | 3 |
| 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| | 3 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Rear brake application uneven | 3 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| 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| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Central Rear Upper Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 2 |
| rear brake excessively fluctuating |3.7.B.3| | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Rear Anti-roll bar linkage insecurely attached broken (5.3.3 (a) (i)) | 2 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 2 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| 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| | 2 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Rear brake binding | 2 |
| Central Stop lamp not working |1.2.1b| | 2 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Front Horn not working |1.6.2a| | 2 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 2 |
| Steering rack insecure |2.2.B.1a| | 2 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |