| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 144 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 121 |
| Windscreen wiper does not clear the windscreen effectively | 72 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 55 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 31 |
| Registration plate lamp issues | 23 |
| Windscreen washer not working | 20 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 19 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Registration plate issues | 9 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 6 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 6 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 4 |
| Nearside Front Seat belt buckle not functioning as intended (7.1.2 (d)) | 4 |
| Nearside Rear Lower Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 4 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Reversing lamp inoperative (4.6.1 (a)) | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Offside Front Headlamp aim unable to be tested (4.1.2 (b)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment no reserve travel (1.1.6 (c)) | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Outline marker lamp missing (4.2.1 (a) (ii)) | 3 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 3 |
| Offside Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Brake hose damaged | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 3 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 2 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 2 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Offside Rear Outline marker lamp missing (4.2.1 (a) (ii)) | 2 |
| Offside Rear Position lamp lens seriously defective (4.2.1 (b)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Emissions unable to be completed (8.2.2.2 (e)) | 2 |
| Central Seat belt buckle not functioning as intended (7.1.2 (d)) | 2 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Position lamp has a product on the lens or light source which shows white light to the rear (4.2.3 (b) (ii)) | 2 |
| Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment No reserve travel (1.1.6 (c)) | 2 |
| Exhaust particulate filter obviously defective (8.2.2.1 (a)) | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Rear Trailer electrical socket wiring insulation damaged or deteriorated and likely to cause a short-circuit (4.10 (b) (ii)) | 2 |
| Nearside Headlamp light source and lamp not compatible (4.1.4 (c)) | 2 |
| Offside Headlamp light source and lamp not compatible (4.1.4 (c)) | 2 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Rear Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 2 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Offside Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 2 |
| Brake pedal has insufficient reserve travel handbrake (1.1.2 (a)) | 2 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 2 |
| Offside Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Rear Position lamp missing (4.2.1 (a) (ii)) | 2 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Offside Front Shock absorbers has a serious fluid leak | 2 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 2 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |