| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 15 |
| Registration plate lamp issues | 11 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Headlamp aim out of alignment | 9 |
| Registration plate issues | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Front brake application uneven | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear brake binding | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Nearside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Brakes imbalanced across an axle | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Windscreen washer not working | 1 |
| Direction indicator incorrect colour both rear |1.4.A.2f| | 1 |
| Offside Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Nearside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front coil spring incomplete |2.4.C.1a| | 1 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| 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| | 1 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 1 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Front position lamp(s) not working (1.1.A.3b) | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Lower Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Lower Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Braking system leaking (1.1.3 (d)) | 1 |
| Windscreen has damage | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Headlamp not working on dipped beam (1.7.5a) | 1 |
| Headlamp not working on main beam (1.7.5a) | 1 |
| Nearside Front Front position lamp(s) not working (1.1.A.3b) | 1 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt Split (6.1.7 (g) (ii)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt Upper dust cover split (5.3.4 (b) (ii)) | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| brake disc excessively pitted |3.5.1h| | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Inner Rear brake disc excessively pitted |3.5.1h| | 1 |
| Inner Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| 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| | 1 |
| 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| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Braking system leaking |3.6.A.1| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp levelling device inoperative |4.1.5 |a|| | 1 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Emissions not tested |7.3.A.1| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Outer Drive shaft which forms part of the suspension coupling gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Nearside Headlamp cleaning device obviously defective |1.7.2| | 1 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 1 |
| Battery insecure |1.9.1| | 1 |
| Front brake excessively fluctuating | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |