| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 106 |
| Registration plate issues | 100 |
| Parking brake: efficiency below requirements |3.7.B.7| | 66 |
| Registration plate lamp issues | 46 |
| Rear parking brake recording little or no effort | 30 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 28 |
| Windscreen wiper does not clear the windscreen effectively | 27 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 27 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 19 |
| Parking brake lever has no reserve travel |3.1.6b| | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 11 |
| Brakes imbalanced across an axle | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 10 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 9 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 8 |
| Brake pipe excessively corroded | 8 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Offside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Horn not working |1.6.2a| | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Rear Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Nearside Front Brake hose leaking |3.6.A.1| | 4 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| 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| | 3 |
| Offside Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Rear brake application uneven | 3 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 3 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 3 |
| Nearside Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Bonnet cannot be secured in the closed position |8.4.1| | 2 |
| Nearside Rear Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) | 2 |
| Windscreen wiper blade insecure | 2 |
| Offside 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 Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) | 2 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Front brake application uneven | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Obligatory mirror missing |8.1.1| | 2 |
| Nearside Rear Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Outer Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 2 |