| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 405 |
| Headlamp aim out of alignment | 261 |
| Registration plate lamp issues | 245 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 88 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 79 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 75 |
| Offside Stop lamp not working |1.2.1b| | 68 |
| Registration plate issues | 63 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 60 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 56 |
| Brake pipe excessively corroded | 55 |
| Brakes imbalanced across an axle | 52 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 52 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 49 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Rear brake binding | 46 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 41 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 36 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 35 |
| Nearside Stop lamp not working |1.2.1b| | 34 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 34 |
| Offside Rear Stop lamp not working |1.2.1b| | 29 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 28 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| Windscreen washer not working | 24 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 24 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 20 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 20 |
| Nearside Rear Stop lamp not working |1.2.1b| | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 19 |
| Windscreen has damage | 19 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Rear brake disc in such a condition that it is seriously weakened | 18 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Parking brake lever has no reserve travel |3.1.6b| | 17 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 17 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 16 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 16 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 15 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 15 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 14 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 14 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 14 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Parking brake: efficiency below requirements |3.7.B.7| | 13 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 11 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 10 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 10 |
| Rear brake application uneven | 10 |
| Rear Mechanical brake component has restricted free movement | 10 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 10 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 9 |
| Battery insecure |1.9.1| | 9 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Windscreen wiper blade insecure | 9 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 9 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 9 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Brake hose excessively deteriorated | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 8 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 8 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 8 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Rear Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 7 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 7 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 7 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Mechanical brake component has restricted free movement | 7 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 7 |
| Emissions not tested (8.2.1.2 (d)) | 7 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |