| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 744 |
| Registration plate lamp issues | 710 |
| Brake pipe excessively corroded | 676 |
| Registration plate issues | 421 |
| Windscreen wiper does not clear the windscreen effectively | 321 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 159 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 147 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 120 |
| Anti-lock braking system warning lamp indicates an ABS fault | 103 |
| Front brake disc in such a condition that it is seriously weakened | 100 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 89 |
| Parking brake: efficiency below requirements |3.7.B.7| | 84 |
| Offside Stop lamp not working |1.2.1b| | 76 |
| Nearside Stop lamp not working |1.2.1b| | 73 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 68 |
| Offside Front brake disc excessively pitted |3.5.1h| | 68 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 64 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 60 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 55 |
| Rear parking brake recording little or no effort | 55 |
| Rear brake disc in such a condition that it is seriously weakened | 47 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 46 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 46 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 45 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 43 |
| Service brake: efficiency below requirements |3.7.B.7| | 43 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 42 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 41 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 41 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 40 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 40 |
| Horn not working |1.6.2a| | 40 |
| Brakes imbalanced across an axle | 39 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 39 |
| Offside Rear Stop lamp not working |1.2.1b| | 38 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 38 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 38 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 37 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Nearside Rear Stop lamp not working |1.2.1b| | 36 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 34 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 33 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 32 |
| Front brake disc excessively pitted |3.5.1h| | 31 |
| Windscreen has damage | 30 |
| Windscreen washer not working | 30 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 30 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Rear brake disc excessively pitted |3.5.1h| | 29 |
| Offside Rear fog lamp not working |1.3.2b| | 28 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 28 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 27 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 27 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 27 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 27 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 26 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 25 |
| 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 |
| Nearside Headlamp not working on main beam |1.7.5a| | 23 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Rear fog lamp not working |1.3.2b| | 19 |
| Horn not working (7.7 (a) (ii)) | 18 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 17 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Emissions not tested (8.2.1.2 (d)) | 16 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Horn not working (7.7 (a)) | 15 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 15 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 14 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 14 |