| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 415 |
| Windscreen wiper does not clear the windscreen effectively | 408 |
| Parking brake: efficiency below requirements |3.7.B.7| | 294 |
| Offside Rear fog lamp not working |1.3.2b| | 250 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 244 |
| Registration plate lamp issues | 241 |
| Offside Steering rack gaiter split |2.2.D.2d| | 221 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 190 |
| Rear parking brake recording little or no effort | 183 |
| Parking brake lever has no reserve travel |3.1.6b| | 179 |
| Brake pipe excessively corroded | 115 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 105 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 104 |
| Brakes imbalanced across an axle | 99 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 93 |
| Nearside Stop lamp not working |1.2.1b| | 84 |
| Offside Stop lamp not working |1.2.1b| | 80 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 78 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 75 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 75 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 74 |
| Registration plate issues | 70 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 64 |
| Horn not working |1.6.2a| | 57 |
| Emissions not tested |7.0| | 50 |
| Service brake: efficiency below requirements |3.7.B.7| | 46 |
| Rear fog lamp not working |1.3.2b| | 45 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 38 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 36 |
| Offside Rear Stop lamp not working |1.2.1b| | 34 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 34 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 33 |
| Rear brake binding | 31 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 31 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 30 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 28 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| Battery insecure |1.9.1| | 27 |
| Rear brake application uneven | 25 |
| Nearside Rear Stop lamp not working |1.2.1b| | 23 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 20 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Exhaust system not adequately supported |7.1.1| | 19 |
| Front brake application uneven | 18 |
| Anti-lock braking system warning lamp indicates an ABS fault | 17 |
| Rear Rear fog lamp not working |1.3.2b| | 16 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 16 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 14 |
| Steering rack gaiter split |2.2.D.2d| | 14 |
| Offside front brake binding |3.7.B.1| | 14 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 13 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Nearside front brake binding |3.7.B.1| | 13 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 13 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Centre Exhaust system not adequately supported |7.1.1| | 12 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 11 |
| Steering rack insecure |2.2.B.1a| | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Windscreen has damage | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 9 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 9 |
| Offside Front front brake binding |3.7.B.1| | 9 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 9 |
| Windscreen wiper blade insecure | 9 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 8 |
| Offside front brake juddering severely |3.7.A.2b| | 8 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Front Steering rack gaiter split |2.2.D.2d| | 8 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Rear Exhaust system not adequately supported |7.1.1| | 8 |
| Nearside Rear Rear fog lamp not working |1.3.2b| | 7 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 7 |
| Centre Stop lamp not working |1.2.1b| | 7 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 7 |
| Offside Front Anti-roll bar linkage missing |2.4.G.1| | 7 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 7 |