| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 143 |
| Registration plate lamp issues | 140 |
| Windscreen wiper does not clear the windscreen effectively | 131 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 79 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 62 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 31 |
| Brake hose excessively deteriorated | 25 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Registration plate issues | 20 |
| Parking brake: efficiency below requirements |3.7.B.7| | 18 |
| Rear parking brake recording little or no effort | 18 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Offside Front Shock absorbers has a serious fluid leak | 15 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 13 |
| Nearside Front Shock absorbers has a serious fluid leak | 13 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 11 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 10 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Offside Front Position lamp not working |4.2.1 |a|| | 9 |
| Windscreen has damage | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 8 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 7 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Battery insecure |1.9.1| | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Fuel system component leaking |7.2.3| | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 5 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 5 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Rear brake binding | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 5 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 5 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 5 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 4 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 4 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Nearside Rear Shock absorbers has a serious fluid leak | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front All position lamps not working |1.1.A.3b| | 3 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 3 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 3 |
| Offside Lower Stop lamp not working |1.2.1b| | 3 |