| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1173 |
| Headlamp aim out of alignment | 1043 |
| Registration plate lamp issues | 1013 |
| Registration plate issues | 624 |
| Windscreen wiper does not clear the windscreen effectively | 520 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 368 |
| Parking brake: efficiency below requirements |3.7.B.7| | 245 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 163 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 162 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 159 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 155 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 141 |
| Front brake disc in such a condition that it is seriously weakened | 139 |
| Rear parking brake recording little or no effort | 137 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 125 |
| Anti-lock braking system warning lamp indicates an ABS fault | 124 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 119 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 117 |
| Offside Front brake disc excessively pitted |3.5.1h| | 102 |
| Offside Stop lamp not working |1.2.1b| | 96 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 94 |
| Nearside Stop lamp not working |1.2.1b| | 92 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 91 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 86 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 82 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 72 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 71 |
| Service brake: efficiency below requirements |3.7.B.7| | 71 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 66 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 65 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 64 |
| Horn not working |1.6.2a| | 63 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 59 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 56 |
| Brakes imbalanced across an axle | 56 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 55 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 54 |
| Rear brake disc in such a condition that it is seriously weakened | 54 |
| Windscreen washer not working | 54 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 53 |
| Offside Rear fog lamp not working |1.3.2b| | 51 |
| Nearside Rear Stop lamp not working |1.2.1b| | 51 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 50 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 49 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 49 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 48 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 47 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 43 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 43 |
| Offside Rear Stop lamp not working |1.2.1b| | 43 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 42 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 41 |
| Horn not working (7.7 (a)) | 41 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 41 |
| Front brake disc excessively pitted |3.5.1h| | 40 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 39 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 38 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 37 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 37 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 36 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 35 |
| Rear fog lamp not working |1.3.2b| | 34 |
| Nearside Headlamp not working on main beam |1.7.5a| | 34 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 34 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 34 |
| Horn not working (7.7 (a) (ii)) | 34 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 32 |
| Emissions not tested |7.0| | 32 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 32 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 31 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 30 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 29 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 29 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 29 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 29 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 28 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 28 |
| Windscreen has damage | 28 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 27 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 26 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 25 |
| Offside Side repeater not working |1.4.A.2c| | 25 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 24 |
| Rear brake binding | 24 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Rear brake disc excessively pitted |3.5.1h| | 23 |
| Stop lamp remains on when the brakes are released | 22 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 22 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 22 |
| Nearside Side repeater not working |1.4.A.2c| | 22 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |