| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 519 |
| Registration plate issues | 417 |
| Windscreen wiper does not clear the windscreen effectively | 411 |
| Registration plate lamp issues | 384 |
| Rear brake binding | 241 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 207 |
| Offside Rear fog lamp not working |1.3.2b| | 198 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 198 |
| Brake hose excessively deteriorated | 172 |
| Rear fog lamp tell tale not working |1.3.1b| | 158 |
| Horn not working |1.6.2a| | 146 |
| Brakes imbalanced across an axle | 137 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 123 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 111 |
| Rear fog lamp not working |1.3.2b| | 102 |
| Offside Rear fog lamp missing |1.3.2a| | 100 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 98 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 91 |
| Brake pipe excessively corroded | 87 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 75 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 74 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 74 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 73 |
| Offside front brake binding |3.7.B.1| | 69 |
| Rear fog lamp switch missing |1.3.1a| | 68 |
| Battery insecure |1.9.1| | 66 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 58 |
| Nearside front brake binding |3.7.B.1| | 56 |
| Nearside Headlamp not working on main beam |1.7.5a| | 55 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 53 |
| Parking brake: efficiency below requirements |3.7.B.7| | 52 |
| Emissions not tested |7.0| | 51 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 50 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 49 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 47 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 43 |
| Rear fog lamp missing |1.3.2a| | 43 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 43 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 43 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 42 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 41 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 41 |
| Front brake application uneven | 41 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 40 |
| Service brake: efficiency below requirements |3.7.B.7| | 40 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Rear Exhaust system not adequately supported |7.1.1| | 40 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 39 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 39 |
| Rear Rear fog lamp not working |1.3.2b| | 38 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 36 |
| Rear Mechanical brake component has restricted free movement | 36 |
| Offside Front front brake binding |3.7.B.1| | 35 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 35 |
| Offside Headlamp not working on main beam |1.7.5a| | 34 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 34 |
| Rear parking brake recording little or no effort | 33 |
| Nearside Front front brake binding |3.7.B.1| | 33 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 33 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 32 |
| Offside Stop lamp not working |1.2.1b| | 31 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 30 |
| Mechanical brake component has restricted free movement | 30 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 29 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 28 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 27 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 27 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 27 |
| Rear Rear fog lamp missing |1.3.2a| | 27 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 26 |
| Rear brake application uneven | 25 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Rear fog lamp emits a light other than red |1.3.2e| | 24 |
| Brake hose has insufficient room to move | 24 |
| Exhaust system not adequately supported |7.1.1| | 23 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 23 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 21 |
| Rear fog lamp tell tale missing |1.3.1b| | 21 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 21 |
| Offside Front Direction indicator not working |1.4.A.2c| | 21 |
| Nearside Stop lamp not working |1.2.1b| | 20 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 20 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 20 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 19 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 19 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 19 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 19 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 18 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 18 |
| Offside Side repeater not working |1.4.A.2c| | 17 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 17 |
| Windscreen has damage | 17 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 17 |
| Windscreen washer not working | 16 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 16 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 16 |
| Rear Exhaust mounting missing |7.1.1b| | 16 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 15 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 15 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 15 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 15 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 15 |
| Windscreen wiper blade insecure | 15 |
| Nearside Side repeater not working |1.4.A.2c| | 15 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 15 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 14 |
| Brake performance not tested |3.7.A.1| | 14 |
| Brake hose damaged | 14 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Offside Rear fog lamp does not emit a steady red light |1.3.2e| | 13 |
| Front Exhaust system not adequately supported |7.1.1| | 13 |
| Horn not working |7.7 |a| |ii|| | 13 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 13 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 13 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 13 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 13 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 13 |
| Offside Front Braking system leaking |3.6.A.1| | 12 |
| Offside Rear Rear fog lamp emits a light other than red |1.3.2e| | 12 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 12 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 12 |
| Offside Rear Stop lamp not working |1.2.1b| | 12 |
| Offside Front brake disc excessively pitted |3.5.1h| | 12 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 12 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 12 |
| Hazard warning switch faulty |1.4.B.1d| | 11 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 11 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 11 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 11 |
| Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 11 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 11 |