| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 595 |
| Registration plate lamp issues | 515 |
| Windscreen wiper does not clear the windscreen effectively | 281 |
| Parking brake: efficiency below requirements |3.7.B.7| | 160 |
| Rear brake binding | 113 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 108 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 106 |
| Offside Stop lamp not working |1.2.1b| | 99 |
| Brakes imbalanced across an axle | 92 |
| Rear parking brake recording little or no effort | 90 |
| Registration plate issues | 89 |
| Nearside Stop lamp not working |1.2.1b| | 87 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 78 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 77 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 76 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 65 |
| Brake pipe excessively corroded | 60 |
| Rear brake disc in such a condition that it is seriously weakened | 52 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 50 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 45 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 44 |
| Nearside Rear Stop lamp not working |1.2.1b| | 42 |
| Offside Front coil spring broken |2.4.C.1a| | 40 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Offside Rear fog lamp not working |1.3.2b| | 33 |
| Offside Rear coil spring broken |2.4.C.1a| | 31 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 28 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 28 |
| Rear Exhaust system not adequately supported |7.1.1| | 27 |
| Rear fog lamp not working |1.3.2b| | 27 |
| Anti-lock braking system warning lamp indicates an ABS fault | 25 |
| Nearside Rear coil spring broken |2.4.C.1a| | 25 |
| Front brake disc in such a condition that it is seriously weakened | 25 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 25 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 24 |
| Offside Rear Stop lamp not working |1.2.1b| | 23 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 23 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Front brake application uneven | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 19 |
| Rear Mechanical brake component has restricted free movement | 18 |
| Nearside Front coil spring broken |2.4.C.1a| | 18 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Windscreen has damage | 18 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| 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| | 17 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 16 |
| Exhaust system not adequately supported |7.1.1| | 16 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Rear brake application uneven | 15 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 15 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 14 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 14 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Brake hose excessively deteriorated | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Front brake excessively fluctuating | 13 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Emissions not tested |7.0| | 12 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Offside Front coil spring incomplete |2.4.C.1a| | 12 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 12 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Direction indicator not working |1.4.A.2c| | 11 |
| Nearside Headlamp insecure |1.7.3| | 11 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 10 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Headlamp insecure |1.7.3| | 9 |
| Nearside Headlamp not working on main beam |1.7.5a| | 9 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 9 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Offside Front brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 9 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Centre Exhaust system not adequately supported |7.1.1| | 9 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Windscreen wiper blade insecure | 9 |
| Brake hose damaged | 9 |
| Nearside 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| | 9 |