| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 460 |
| Windscreen wiper does not clear the windscreen effectively | 430 |
| Headlamp aim out of alignment | 367 |
| Parking brake: efficiency below requirements |3.7.B.7| | 165 |
| Anti-lock braking system warning lamp indicates an ABS fault | 121 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 118 |
| Rear parking brake recording little or no effort | 116 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 107 |
| Brake hose excessively deteriorated | 92 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 83 |
| Registration plate issues | 69 |
| Parking brake lever has no reserve travel |3.1.6b| | 65 |
| Offside Stop lamp not working |1.2.1b| | 57 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 54 |
| Nearside Stop lamp not working |1.2.1b| | 53 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Offside Rear fog lamp not working |1.3.2b| | 41 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 39 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Battery insecure |1.9.1| | 38 |
| Front brake disc in such a condition that it is seriously weakened | 33 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 33 |
| Rear fog lamp not working |1.3.2b| | 32 |
| Rear brake binding | 31 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 31 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 28 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Brakes imbalanced across an axle | 28 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 23 |
| Brake pipe excessively corroded | 23 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 21 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Rear brake disc in such a condition that it is seriously weakened | 20 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 19 |
| Offside Rear Stop lamp not working |1.2.1b| | 19 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 18 |
| Offside Front Position lamp not working |4.2.1 |a|| | 18 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 17 |
| Centre Stop lamp not working |1.2.1b| | 17 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 15 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 15 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 14 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 14 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Windscreen washer not working | 13 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 12 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 12 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 11 |
| Offside Front Shock absorbers has a serious fluid leak | 11 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 11 |
| Rear Mechanical brake component has restricted free movement | 11 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 10 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 9 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 8 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |