| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 113 |
| Parking brake: efficiency below requirements |3.7.B.7| | 108 |
| Rear parking brake recording little or no effort | 81 |
| Windscreen wiper does not clear the windscreen effectively | 75 |
| Headlamp aim out of alignment | 67 |
| Parking brake lever has no reserve travel |3.1.6b| | 51 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 28 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 27 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 27 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Rear brake binding | 22 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Nearside Stop lamp not working |1.2.1b| | 18 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 17 |
| Offside Stop lamp not working |1.2.1b| | 15 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 14 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 13 |
| Battery insecure |1.9.1| | 13 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Brakes imbalanced across an axle | 10 |
| Registration plate issues | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Fuel system component leaking |7.2.3| | 6 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Front Lower Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 5 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 5 |
| Windscreen washer not working | 5 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Front front brake binding |3.7.B.1| | 5 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Offside Front Lower Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 3 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 3 |
| Nearside Front coil spring broken |2.4.C.1a| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Front brake application uneven | 3 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 3 |
| Mechanical brake component has restricted free movement | 3 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a| |ii|| | 2 |
| Nearside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 2 |
| Rear brake application uneven | 2 |
| Front Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Brake fluid contaminated |1.8 |a|| | 2 |
| Nearside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 2 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 2 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 2 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Rear Wheel stud|s| missing |4.2.A.1e| | 2 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Power steering component|s| leaking |2.3.3b| | 2 |