| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 408 |
| Headlamp aim out of alignment | 352 |
| Registration plate lamp issues | 177 |
| Parking brake: efficiency below requirements |3.7.B.7| | 114 |
| Horn not working |1.6.2a| | 96 |
| Offside Stop lamp not working |1.2.1b| | 66 |
| Rear parking brake recording little or no effort | 66 |
| Nearside Stop lamp not working |1.2.1b| | 61 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 58 |
| Brakes imbalanced across an axle | 57 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 56 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 52 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 52 |
| Front brake disc in such a condition that it is seriously weakened | 50 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 48 |
| Brake hose has insufficient room to move | 47 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 45 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 38 |
| Parking brake lever has no reserve travel |3.1.6b| | 37 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 37 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 34 |
| Offside Front coil spring incomplete |2.4.C.1a| | 31 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 29 |
| Offside Front coil spring broken |2.4.C.1a| | 27 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 27 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 26 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 26 |
| Registration plate issues | 25 |
| Offside Front coil spring fractured |2.4.C.1a| | 25 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 24 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 24 |
| Nearside Front coil spring broken |2.4.C.1a| | 24 |
| Brake hose damaged | 24 |
| Battery insecure |1.9.1| | 24 |
| Offside Rear Stop lamp not working |1.2.1b| | 24 |
| Nearside Front coil spring fractured |2.4.C.1a| | 22 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 22 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 20 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 20 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 18 |
| Windscreen has damage | 18 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 17 |
| Offside Rear coil spring broken |2.4.C.1a| | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 16 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Rear brake application uneven | 14 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 11 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 10 |
| Offside Front Coil spring not correctly located |2.4.C.2| | 10 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 9 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 9 |
| Fuel system component leaking |7.2.3| | 9 |
| Windscreen washer not working | 9 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 8 |
| Windscreen wiper blade insecure | 8 |
| Brake hose excessively deteriorated | 8 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Front brake application uneven | 7 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 7 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 7 |
| 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| | 7 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Rear coil spring broken |2.4.C.1a| | 7 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Hazard warning switch faulty |1.4.B.1d| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Rear Lower engine mounting deteriorated resulting in excessive movement |6.1.D.1a| | 6 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Headlamp switch faulty |1.7.1| | 6 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |