| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 119 |
| Brake pipe excessively corroded | 59 |
| Parking brake: efficiency below requirements |3.7.B.7| | 55 |
| Brake hose excessively deteriorated | 46 |
| Registration plate issues | 38 |
| Registration plate lamp issues | 38 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 37 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 34 |
| Windscreen wiper does not clear the windscreen effectively | 30 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 30 |
| Rear parking brake recording little or no effort | 28 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 21 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Nearside Stop lamp not working |1.2.1b| | 20 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 18 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 17 |
| Parking brake lever has no reserve travel |3.1.6b| | 17 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Rear Stop lamp not working |1.2.1b| | 12 |
| Windscreen has damage | 11 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Brake hose damaged | 11 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 10 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 10 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 10 |
| Rear brake binding | 9 |
| Nearside Rear Shock absorbers has a serious fluid leak | 9 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 9 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 8 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 6 |
| Nearside Rear coil spring broken |2.4.C.1a| | 6 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 6 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Brakes imbalanced across an axle | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Fuel system component leaking |7.2.3| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Side repeater not working |1.4.A.2c| | 6 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 5 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Nearside Front Shock absorbers has a serious fluid leak | 4 |
| Offside Rear coil spring broken |2.4.C.1a| | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 4 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 4 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| 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| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| 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| | 4 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 3 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 3 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Front Brake hose excessively damaged (1.1.12 (b) (ii)) | 3 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 3 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Nearside Headlamp incorrect colour |1.7.5b| | 3 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 3 |
| Steering lock fails to engage |2.1.4b| | 3 |
| Rear brake application uneven | 3 |