| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 572 |
| Registration plate issues | 368 |
| Windscreen wiper does not clear the windscreen effectively | 161 |
| Registration plate lamp issues | 115 |
| Anti-lock braking system warning lamp indicates an ABS fault | 109 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 95 |
| Horn not working |1.6.2a| | 85 |
| Rear parking brake recording little or no effort | 61 |
| Parking brake: efficiency below requirements |3.7.B.7| | 54 |
| Brakes imbalanced across an axle | 49 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 47 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 44 |
| Brake pipe excessively corroded | 43 |
| Offside Rear fog lamp not working |1.3.2b| | 30 |
| Rear fog lamp not working |1.3.2b| | 26 |
| Rear fog lamp tell tale not working |1.3.1b| | 25 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Rear brake binding | 24 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 23 |
| Parking brake lever has no reserve travel |3.1.6b| | 22 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 20 |
| Nearside Stop lamp not working |1.2.1b| | 20 |
| Offside Headlamp not working on main beam |1.7.5a| | 20 |
| Offside Stop lamp not working |1.2.1b| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 18 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 17 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside Headlamp not working on main beam |1.7.5a| | 17 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Headlamp switch faulty |1.7.1| | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Windscreen washer not working | 13 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Horn not working (7.7 (a) (ii)) | 12 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 11 |
| Horn not working (7.7 (a)) | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Rear fog lamp switch faulty |1.3.1a| | 10 |
| All position lamps not working |1.1.A.3b| | 10 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Emissions not tested |7.0| | 10 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Position lamp switch does not illuminate the front and rear position lamps with a single operation |1.1.A.2| | 10 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 9 |
| Brake hose excessively deteriorated | 9 |
| Front brake application uneven | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Rear brake disc in such a condition that it is seriously weakened | 9 |
| Rear Rear fog lamp not working |1.3.2b| | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Nearside Headlamp insecure |1.7.3| | 8 |
| Windscreen has damage | 7 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 7 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 7 |
| Position lamp switch faulty |1.1.A.1| | 7 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 7 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 7 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 6 |
| An item not tested |Manual| | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 6 |