| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 4998 |
| Headlamp aim out of alignment | 2896 |
| Windscreen wiper does not clear the windscreen effectively | 2643 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1209 |
| Offside Stop lamp not working |1.2.1b| | 1066 |
| Nearside Stop lamp not working |1.2.1b| | 1048 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1009 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 815 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 811 |
| Brakes imbalanced across an axle | 740 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 728 |
| Registration plate lamp issues | 678 |
| Registration plate issues | 670 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 617 |
| Front Exhaust system not adequately supported |7.1.1| | 533 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 508 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 487 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 472 |
| Offside Steering rack gaiter split |2.2.D.2d| | 445 |
| Nearside Rear Stop lamp not working |1.2.1b| | 435 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 428 |
| Parking brake lever has no reserve travel |3.1.6b| | 417 |
| Offside Rear Stop lamp not working |1.2.1b| | 414 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 412 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 391 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 387 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 363 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 341 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 338 |
| Emissions not tested |7.0| | 315 |
| Offside Rear fog lamp not working |1.3.2b| | 297 |
| Front brake disc in such a condition that it is seriously weakened | 291 |
| Exhaust system not adequately supported |7.1.1| | 277 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 275 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 263 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 245 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 241 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 216 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 198 |
| Rear Exhaust system not adequately supported |7.1.1| | 195 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 193 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 186 |
| Parking brake: efficiency below requirements |3.7.B.7| | 185 |
| Rear fog lamp switch faulty |1.3.1a| | 179 |
| Windscreen has damage | 177 |
| Brake hose excessively deteriorated | 166 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 155 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 152 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 150 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 150 |
| Front brake application uneven | 149 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 148 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 147 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 146 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 145 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 143 |
| Windscreen wiper blade insecure | 143 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 134 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 127 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 125 |
| Rear brake application uneven | 121 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 118 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 114 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 113 |
| Service brake: efficiency below requirements |3.7.B.7| | 112 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 110 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 103 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 100 |
| Stop lamp not working |1.2.1b| | 95 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 89 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 89 |
| Rear brake binding | 88 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 85 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 85 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 82 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 82 |
| Rear Stop lamp not working |1.2.1b| | 82 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 82 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 81 |
| Rear parking brake recording little or no effort | 77 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 74 |
| Rear fog lamp not working |1.3.2b| | 73 |
| Front Exhaust mounting missing |7.1.1b| | 73 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 73 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 70 |
| Hazard warning switch faulty |1.4.B.1d| | 67 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 64 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 63 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 63 |
| Rear fog lamp tell tale not working |1.3.1b| | 61 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 61 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 61 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 61 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 60 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 60 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 57 |
| Centre Exhaust system not adequately supported |7.1.1| | 57 |
| Stop lamp remains on when the brakes are released | 54 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 54 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 51 |
| Nearside Headlamp not working on main beam |1.7.5a| | 51 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 51 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 51 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 50 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 50 |
| Battery insecure |1.9.1| | 50 |
| Offside Rear coil spring fractured |2.4.C.1a| | 49 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 49 |
| Offside Headlamp insecure |1.7.3| | 48 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 48 |
| Horn not working |1.6.2a| | 47 |