| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 119 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 94 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 82 |
| Windscreen wiper does not clear the windscreen effectively | 67 |
| Headlamp aim out of alignment | 46 |
| Registration plate issues | 36 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 32 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 27 |
| Windscreen washer not working | 27 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 19 |
| Nearside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 18 |
| Offside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 14 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Horn not working (7.7 (a)) | 9 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 8 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 7 |
| Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 7 |
| Offside Rear Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Brakes imbalanced across an axle | 6 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Front Position lamp not working both (4.2.1 (a) (ii)) | 4 |
| Offside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 4 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 4 |
| Nearside Rear Position lamp lens seriously defective (4.2.1 (b)) | 4 |
| Nearside Rear Reversing lamp inoperative (4.6.1 (a)) | 4 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 4 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 3 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Rear Position lamp not working both (4.2.1 (a) (ii)) | 3 |
| Nearside Front Axle king pin is loose in the axle beam (5.1.2 (d) (i)) | 3 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Rear Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Windscreen in an unacceptable condition (3.2 (c) (i)) | 3 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 3 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 3 |
| Nearside Rear Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 3 |
| Brake pipe excessively corroded | 3 |
| Nearside Rear Leaf spring fractured (5.3.1 (b) (i)) | 2 |
| Front Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Exhaust emissions exceed level of metered smoke for a non-turbo charged engine (8.2.2.2 (b)) | 2 |
| Rear Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Front Axle king pin is loose in the axle beam (5.1.2 (d) (i)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Offside Rear Stop lamp(s) lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 2 |
| Rear Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear Exhaust has a major leak of exhaust gases box (6.1.2 (a)) | 2 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 2 |
| Offside Rear Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Shock absorbers has a serious fluid leak | 2 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Nearside Rear All direction indicators incorrect colour (4.4.3 (a)) | 2 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Offside Stop lamp(s) adversely affected by the operation of another lamp (4.3.3 (b)) | 2 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 2 |