| Most common failures | No# failures |
|---|
| Registration plate issues | 320 |
| Headlamp aim out of alignment | 319 |
| Windscreen wiper does not clear the windscreen effectively | 304 |
| Registration plate lamp issues | 228 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 149 |
| Offside Rear fog lamp not working |1.3.2b| | 140 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 127 |
| Brakes imbalanced across an axle | 113 |
| Rear fog lamp tell tale not working |1.3.1b| | 113 |
| Horn not working |1.6.2a| | 95 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 87 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 82 |
| Rear fog lamp not working |1.3.2b| | 82 |
| Brake hose excessively deteriorated | 81 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 71 |
| Nearside front brake binding |3.7.B.1| | 64 |
| Rear brake binding | 64 |
| Offside front brake binding |3.7.B.1| | 62 |
| Offside Rear fog lamp missing |1.3.2a| | 55 |
| Battery insecure |1.9.1| | 53 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 52 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 51 |
| Brake pipe excessively corroded | 50 |
| Rear fog lamp switch missing |1.3.1a| | 47 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 45 |
| Rear fog lamp missing |1.3.2a| | 43 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 43 |
| Emissions not tested |7.0| | 40 |
| Rear Rear fog lamp not working |1.3.2b| | 37 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 36 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 36 |
| Offside Front front brake binding |3.7.B.1| | 36 |
| Rear Exhaust system not adequately supported |7.1.1| | 35 |
| Front brake application uneven | 33 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 32 |
| Parking brake: efficiency below requirements |3.7.B.7| | 32 |
| Nearside Headlamp not working on main beam |1.7.5a| | 32 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 31 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 31 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 29 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 29 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 27 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 26 |
| Service brake: efficiency below requirements |3.7.B.7| | 26 |
| Rear brake disc in such a condition that it is seriously weakened | 25 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 25 |
| Nearside Front front brake binding |3.7.B.1| | 25 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 23 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 22 |
| Mechanical brake component has restricted free movement | 22 |
| Rear Rear fog lamp missing |1.3.2a| | 21 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 21 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 21 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 20 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 20 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 19 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 19 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 19 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 18 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 17 |
| Offside Headlamp not working on main beam |1.7.5a| | 17 |
| Parking brake lever has no reserve travel |3.1.6b| | 17 |
| Offside Stop lamp not working |1.2.1b| | 17 |
| Rear fog lamp tell tale missing |1.3.1b| | 16 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 16 |
| Nearside Stop lamp not working |1.2.1b| | 15 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 14 |
| Brake hose has insufficient room to move | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 13 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 13 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 13 |
| Windscreen wiper blade insecure | 13 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Rear brake application uneven | 13 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 13 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 12 |
| Rear Exhaust mounting missing |7.1.1b| | 12 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 12 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 12 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 12 |
| Nearside Side repeater not working |1.4.A.2c| | 12 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 12 |
| Offside Side repeater not working |1.4.A.2c| | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 11 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 11 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 11 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 10 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 10 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Rear fog lamp does not emit a steady red light |1.3.2e| | 10 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 10 |
| Rear parking brake recording little or no effort | 10 |
| Offside Steering rack gaiter split |2.2.D.2d| | 10 |
| Offside Rear coil spring broken |2.4.C.1a| | 9 |
| Brake performance not tested |3.7.A.1| | 9 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 9 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Nearside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 9 |
| Windscreen washer not working | 9 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 9 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 9 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 9 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 9 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 9 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Rear fog lamp emits a light other than red |1.3.2e| | 8 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 8 |
| Offside Front Direction indicator not working |1.4.A.2c| | 8 |
| Nearside Front Braking system leaking |3.6.A.1| | 8 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 8 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Exhaust engine idle speed too high |7.3.D.1| | 8 |
| Offside Headlamp not in a clean condition affecting beam image |1.2.4a| | 8 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 8 |