| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 117 |
| Brake pipe excessively corroded | 91 |
| Parking brake: efficiency below requirements |3.7.B.7| | 84 |
| Parking brake lever has no reserve travel |3.1.6b| | 79 |
| Rear parking brake recording little or no effort | 70 |
| Windscreen wiper does not clear the windscreen effectively | 46 |
| Registration plate lamp issues | 30 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 28 |
| Rear brake binding | 27 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 23 |
| Registration plate issues | 22 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 20 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 16 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Offside Headlamp insecure |1.7.3| | 15 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Brake hose excessively deteriorated | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Nearside Headlamp insecure |1.7.3| | 13 |
| Centre Stop lamp not working |1.2.1b| | 12 |
| Battery insecure |1.9.1| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Hazard warning switch faulty |1.4.B.1d| | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Brakes imbalanced across an axle | 8 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 7 |
| Nearside Front Headlamp insecure |1.7.3| | 7 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Headlamp insecure |1.7.3| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 5 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Brake hose damaged | 4 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 3 |
| Rear Rear fog lamp not working |1.3.2b| | 3 |
| Windscreen has damage | 3 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front Headlamp insecure |1.7.3| | 3 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Rear brake application uneven | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Brake hose has insufficient room to move | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 3 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Brake fluid contaminated (1.8 (a)) | 2 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Front Anti-roll bar linkage missing |2.4.G.1| | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 2 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Nearside Headlamp aim beam image too far to the right |1.6.B4| | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (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 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| An item not tested |Manual| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Windscreen wiper blade insecure | 2 |
| Nearside Rear Brake hose leaking |3.6.A.1| | 2 |
| Offside Front Upper Ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 2 |
| Offside Rear Leaf spring shackle bracket corroded and seriously weakened |2.4.B.6d| | 2 |
| Nearside Front Anti-roll bar attachment bracket/mounting nut missing |2.4.G.1| | 2 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Horn not working |1.6.2a| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Headlamp insecure |4.1.1 |c|| | 2 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 2 |
| Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 2 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Brake hose twisted |3.6.B.4c| | 2 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 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 Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |