| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 7635 |
| Windscreen wiper does not clear the windscreen effectively | 5487 |
| Headlamp aim out of alignment | 3380 |
| Registration plate lamp issues | 3102 |
| Brake hose excessively deteriorated | 1470 |
| Offside Stop lamp not working |1.2.1b| | 1430 |
| Nearside Stop lamp not working |1.2.1b| | 1286 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1071 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 851 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 815 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 800 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 781 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 760 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 749 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 700 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 693 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 685 |
| Battery insecure |1.9.1| | 641 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 639 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 637 |
| Registration plate issues | 624 |
| Horn not working |1.6.2a| | 581 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 580 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 559 |
| Offside Rear Stop lamp not working |1.2.1b| | 535 |
| Nearside Rear Stop lamp not working |1.2.1b| | 523 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 522 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 521 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 515 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 514 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 504 |
| Parking brake: efficiency below requirements |3.7.B.7| | 463 |
| Centre Stop lamp not working |1.2.1b| | 455 |
| Front brake disc in such a condition that it is seriously weakened | 433 |
| Rear parking brake recording little or no effort | 425 |
| Rear brake binding | 342 |
| Rear Exhaust system not adequately supported |7.1.1| | 315 |
| Exhaust system not adequately supported |7.1.1| | 309 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 303 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 294 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 275 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 271 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 243 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 220 |
| Emissions not tested |7.0| | 211 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 203 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 202 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 198 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 196 |
| Windscreen has damage | 189 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 189 |
| Front Exhaust system not adequately supported |7.1.1| | 186 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 184 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 183 |
| Windscreen wiper blade insecure | 179 |
| Stop lamp not working |1.2.1b| | 176 |
| Anti-lock braking system warning lamp indicates an ABS fault | 172 |
| Offside Rear fog lamp not working |1.3.2b| | 168 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 167 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 167 |
| Brakes imbalanced across an axle | 165 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 162 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 148 |
| Service brake: efficiency below requirements |3.7.C.1a| | 144 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 143 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 130 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 128 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 124 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 123 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 121 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 115 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 106 |
| Horn not working (7.7 (a) (ii)) | 104 |
| Emissions not tested |7.3.A.1| | 103 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 101 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 100 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 97 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 96 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 95 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 94 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 90 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 89 |
| Centre Rear Stop lamp not working |1.2.1b| | 89 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 87 |
| Emissions not tested (8.2.1.2 (d)) | 86 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 83 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 82 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 82 |