| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 559 |
| Brake pipe excessively corroded | 488 |
| Registration plate lamp issues | 443 |
| Registration plate issues | 327 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 237 |
| Windscreen wiper does not clear the windscreen effectively | 214 |
| Parking brake: efficiency below requirements |3.7.B.7| | 149 |
| Brake hose excessively deteriorated | 124 |
| Anti-lock braking system warning lamp indicates an ABS fault | 98 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 98 |
| Front brake disc in such a condition that it is seriously weakened | 93 |
| Rear parking brake recording little or no effort | 86 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 78 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 76 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 74 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 71 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 65 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 57 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 55 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 53 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 51 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 48 |
| Brakes imbalanced across an axle | 47 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 44 |
| Rear Exhaust system not adequately supported |7.1.1| | 42 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 41 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 40 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 39 |
| Offside Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 37 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 35 |
| Rear brake binding | 35 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 34 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 34 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 34 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 34 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 34 |
| Exhaust system not adequately supported |7.1.1| | 33 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Side repeater not working |1.4.A.2c| | 32 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 32 |
| Windscreen has damage | 31 |
| Service brake: efficiency below requirements |3.7.B.7| | 30 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 28 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 27 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 25 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 25 |
| Windscreen washer not working | 25 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 24 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 21 |
| Offside Side repeater not working |1.4.A.2c| | 21 |
| Horn not working |1.6.2a| | 20 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 20 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 20 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 19 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Rear brake disc in such a condition that it is seriously weakened | 18 |
| Parking brake lever has no reserve travel |3.1.6b| | 18 |
| Front Exhaust system not adequately supported |7.1.1| | 18 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 18 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 18 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 16 |
| Offside Headlamp insecure |1.7.3| | 15 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Rear fog lamp not working |1.3.2b| | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Rear fog lamp not working |1.3.2b| | 14 |
| Offside Front Exhaust system not adequately supported |7.1.1| | 14 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 14 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 14 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 13 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 13 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 13 |
| Electronic stability system switch faulty |3.4.5| | 13 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 13 |
| Offside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 13 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |