| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 348 |
| Headlamp aim out of alignment | 194 |
| Registration plate lamp issues | 181 |
| Windscreen wiper does not clear the windscreen effectively | 179 |
| Anti-lock braking system warning lamp indicates an ABS fault | 144 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 91 |
| Registration plate issues | 70 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 65 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 55 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 43 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 42 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 40 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 38 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 38 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 36 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 35 |
| Brake hose excessively deteriorated | 31 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 28 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 27 |
| Nearside Stop lamp not working |1.2.1b| | 27 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 24 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 21 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 21 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 20 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 19 |
| Windscreen has damage | 19 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 19 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 19 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 19 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 18 |
| Service brake: efficiency below requirements |3.7.B.7| | 17 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 15 |
| Emissions not tested |7.0| | 14 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 14 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Service brake: efficiency below requirements |3.7.C.1a| | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 10 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 9 |
| Windscreen washer not working | 9 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 8 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Rear parking brake recording little or no effort | 7 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 7 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 7 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Horn not working |1.6.2a| | 6 |
| Brake performance not tested |3.7.A.1| | 6 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Offside Headlamp insecure |1.7.3| | 6 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 6 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 6 |
| Offside Obligatory mirror missing |8.1.1| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 5 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Windscreen wiper blade insecure | 5 |
| Ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Side repeater not working |1.4.A.2c| | 5 |
| Rear brake binding | 5 |
| Centre Stop lamp not working |1.2.1b| | 5 |
| Emissions not tested |8.2.1.2 |d|| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 5 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 5 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 5 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 5 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 5 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 5 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |