| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 159 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 24 |
| Windscreen wiper does not clear the windscreen effectively | 22 |
| Registration plate lamp issues | 14 |
| Windscreen washer not working | 13 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 11 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Emergency exit sign missing (9.1.2 (b) (ii)) | 6 |
| Brake pipe excessively corroded | 6 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Offside Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Registration plate issues | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Speed limiter plate missing (7.10 (e)) | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 3 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Nearside Rear Emergency exit sign missing (9.1.2 (b) (ii)) | 2 |
| Nearside Headlamp insecure (4.1.1 (c)) | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 2 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Nearside Side repeater missing (4.4.1 (a) (ii)) | 2 |
| Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Emissions not tested (8.2.2.2 (e)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |
| Nearside Obligatory mirror insecure (3.3 (b) (ii)) | 2 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Emergency exit sign missing s.l.door (inner and outer signs missing) (9.1.2 (b) (ii)) | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Emergency exit sign missing s.l.door (inner and outer signs missing) (9.1.2 (b) (ii)) | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Nearside Rear Emergency exit sign missing window (9.1.2 (b) (ii)) | 2 |
| Offside Rear Emergency exit sign missing window (9.1.2 (b) (ii)) | 2 |