| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 452 |
| Parking brake: efficiency below requirements |3.7.B.7| | 355 |
| Brake pipe excessively corroded | 348 |
| Registration plate issues | 310 |
| Registration plate lamp issues | 210 |
| Windscreen wiper does not clear the windscreen effectively | 166 |
| Rear parking brake recording little or no effort | 156 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 110 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 97 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 92 |
| Front brake disc in such a condition that it is seriously weakened | 86 |
| Brakes imbalanced across an axle | 86 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 81 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 76 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 71 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 70 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 67 |
| Anti-lock braking system warning lamp indicates an ABS fault | 66 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 64 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 63 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 60 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 50 |
| Nearside Side repeater not working |1.4.A.2c| | 44 |
| Windscreen has damage | 44 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 41 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 40 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 38 |
| Rear brake disc in such a condition that it is seriously weakened | 38 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 37 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 36 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Windscreen washer not working | 35 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 30 |
| Rear brake binding | 30 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 29 |
| Front brake excessively fluctuating | 29 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 28 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 28 |
| Offside Side repeater not working |1.4.A.2c| | 27 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 25 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 24 |
| Front brake application uneven | 24 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 24 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 22 |
| Nearside Stop lamp not working |1.2.1b| | 22 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Nearside Front Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 20 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 19 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 19 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |
| Offside Front Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 18 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 17 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 16 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 16 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 15 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 15 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 14 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 14 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 14 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 14 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 14 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 14 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 14 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 14 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 13 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 13 |
| Nearside Front Side repeater not working |1.4.A.2c| | 13 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 13 |