| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 359 |
| Registration plate lamp issues | 348 |
| Windscreen wiper does not clear the windscreen effectively | 202 |
| Registration plate issues | 155 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 92 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 51 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 46 |
| Parking brake: efficiency below requirements |3.7.B.7| | 44 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 41 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 39 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 37 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 37 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 34 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 31 |
| Rear parking brake recording little or no effort | 30 |
| Anti-lock braking system warning lamp indicates an ABS fault | 30 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 30 |
| Front brake disc in such a condition that it is seriously weakened | 28 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Windscreen has damage | 27 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 23 |
| Windscreen washer not working | 23 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 21 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 19 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 17 |
| Rear brake binding | 17 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Horn not working |1.6.2a| | 16 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Rear Stop lamp not working |1.2.1b| | 16 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 14 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 14 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Bootlid cannot be secured in the closed position |6.4.1| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Offside Stop lamp not working |1.2.1b| | 12 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Brakes imbalanced across an axle | 12 |
| Brake pipe excessively corroded | 11 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 11 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Brake performance not tested |3.7.A.1| | 10 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 10 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 9 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 9 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 9 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 8 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 8 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 8 |