| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1387 |
| Brake pipe excessively corroded | 990 |
| Windscreen wiper does not clear the windscreen effectively | 938 |
| Service brake: efficiency below requirements |3.7.B.7| | 924 |
| Registration plate lamp issues | 912 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 458 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 446 |
| Brakes imbalanced across an axle | 402 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 313 |
| Registration plate issues | 302 |
| Horn not working |1.6.2a| | 289 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 283 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 259 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 239 |
| Offside Rear fog lamp not working |1.3.2b| | 215 |
| Emissions not tested |7.0| | 181 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 181 |
| Nearside Stop lamp not working |1.2.1b| | 176 |
| Offside Stop lamp not working |1.2.1b| | 171 |
| Parking brake: efficiency below requirements |3.7.B.7| | 170 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 162 |
| Rear parking brake recording little or no effort | 160 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 150 |
| Rear fog lamp not working |1.3.2b| | 126 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 126 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 111 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 108 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 105 |
| Rear brake application uneven | 102 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 101 |
| Brake load sensing valve linkage seized |3.6.E.3| | 98 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 97 |
| Rear Exhaust has a part missing |7.1.1a| | 94 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 90 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 83 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 81 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 77 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 75 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 73 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 72 |
| Nearside Headlamp not working on main beam |1.7.5a| | 71 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 69 |
| Steering column top bearing excessively worn |2.1.2c| | 68 |
| Nearside Rear Stop lamp not working |1.2.1b| | 67 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 66 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 65 |
| Windscreen has damage | 64 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 63 |
| Fuel tank leaking |7.2.3| | 62 |
| Offside Headlamp not working on main beam |1.7.5a| | 61 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 59 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 58 |
| Offside Rear Stop lamp not working |1.2.1b| | 58 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 58 |
| Brake hose excessively deteriorated | 56 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 55 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 54 |
| rear brake recording little or no effort |3.7.B.5a| | 52 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 51 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 51 |
| Brake load sensing valve seized |3.6.E.3| | 50 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 46 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 46 |
| Brake pedal spongy |3.3.B.1b| | 45 |
| Windscreen wiper blade insecure | 43 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 42 |
| Rear brake binding | 41 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 41 |
| Rear Exhaust system not adequately supported |7.1.1| | 39 |
| Exhaust has a part missing |7.1.1a| | 39 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 38 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 38 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 37 |
| Rear fog lamp tell tale not working |1.3.1b| | 36 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 36 |
| Front brake application uneven | 36 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 35 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 33 |
| Rear Rear fog lamp not working |1.3.2b| | 32 |
| Exhaust system not adequately supported |7.1.1| | 32 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 32 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 31 |
| Nearside Headlamp insecure |1.7.3| | 31 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 30 |
| Brake performance not tested |3.7.A.1| | 30 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 30 |
| Offside front brake binding |3.7.B.1| | 30 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 30 |
| Nearside front brake binding |3.7.B.1| | 30 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 30 |
| Windscreen washer not working | 30 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 29 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 29 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 28 |
| Rear rear brake recording little or no effort |3.7.B.5a| | 28 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 27 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 27 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 27 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 26 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 26 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 26 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 26 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 25 |
| Nearside Rear Braking system leaking |3.6.A.1| | 25 |
| Battery insecure |1.9.1| | 24 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 24 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 24 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 24 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 23 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 23 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 22 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 22 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 22 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 22 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 21 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Offside Rear Braking system leaking |3.6.A.1| | 21 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Front Direction indicator not working |1.4.A.2c| | 20 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 20 |
| Braking system leaking |3.6.A.1| | 19 |
| Stop lamp not working |1.2.1b| | 19 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 19 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 18 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 18 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 18 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Nearside Front Headlamp insecure |1.7.3| | 18 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Rear Leaf spring cracked |2.4.B.1a| | 17 |
| Driver`s seat insecure |6.2.A.1| | 17 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 17 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 17 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 17 |
| Centre Exhaust system not adequately supported |7.1.1| | 16 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 16 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Obligatory mirror missing |8.1.1| | 16 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 16 |