| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 568 |
| Registration plate lamp issues | 281 |
| Headlamp aim out of alignment | 188 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 108 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 88 |
| Rear fog lamp not working |1.3.2b| | 83 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 75 |
| Rear fog lamp missing |1.3.2a| | 74 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 71 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 64 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 60 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 59 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 59 |
| Rear fog lamp switch missing |1.3.1a| | 54 |
| Offside Rear fog lamp not working |1.3.2b| | 52 |
| Rear fog lamp tell tale missing |1.3.1b| | 49 |
| Nearside Stop lamp not working |1.2.1b| | 46 |
| Rear fog lamp emits a light other than red |1.3.2e| | 44 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 43 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 43 |
| Registration plate issues | 43 |
| Anti-lock braking system warning lamp indicates an ABS fault | 43 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 39 |
| Offside Stop lamp not working |1.2.1b| | 39 |
| 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| | 39 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 38 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 36 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 36 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 34 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 33 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 33 |
| Offside Rear fog lamp missing |1.3.2a| | 32 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 32 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 31 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 30 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 29 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 29 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| 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| | 28 |
| Brakes imbalanced across an axle | 27 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 26 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 26 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 25 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 25 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 24 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 24 |
| Windscreen washer not working | 24 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Offside Front Position lamp not working |4.2.1 |a|| | 23 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 22 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 20 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 19 |
| Emissions not tested (8.2.1.2 (d)) | 18 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 18 |
| Battery insecure |1.9.1| | 18 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 18 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 17 |
| Service brake: efficiency below requirements |3.7.B.7| | 17 |
| Offside Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 17 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 17 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 17 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 17 |
| 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| | 16 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 16 |
| Horn not working |1.6.2a| | 15 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 15 |
| Rear fog lamp tell tale not working |1.3.1b| | 15 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 15 |
| Parking brake lever has no reserve travel |3.1.6b| | 15 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Offside Rear Stop lamp not working |1.2.1b| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 15 |
| 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| | 14 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 14 |
| Offside Rear Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 14 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 14 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 14 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 14 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 14 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 13 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 13 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 13 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 12 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 12 |
| Nearside Rear Shock absorbers has a serious fluid leak | 12 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 12 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 12 |
| 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| | 12 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Rear fog lamp missing |4.5.1 |a| |ii|| | 12 |
| Offside Rear Rear fog lamp emits a light other than red |1.3.2e| | 11 |
| Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 11 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Rear Shock absorbers has a serious fluid leak | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Offside Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 11 |
| 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| | 11 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 11 |
| Rear fog lamp does not emit a steady red light |4.5.4 |a|| | 11 |
| Horn not working (7.7 (a) (ii)) | 10 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 10 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 10 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 10 |
| Offside Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Rear fog lamp does not emit a steady red light |1.3.2e| | 10 |
| Offside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 9 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 9 |
| Nearside Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 9 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 9 |
| Nearside Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 9 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 9 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 9 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 9 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| Rear brake binding | 9 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 9 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 9 |