| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 2198 |
| Headlamp aim out of alignment | 2044 |
| Windscreen wiper does not clear the windscreen effectively | 1808 |
| Registration plate lamp issues | 1280 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 847 |
| Parking brake lever has no reserve travel |3.1.6b| | 682 |
| Parking brake: efficiency below requirements |3.7.B.7| | 656 |
| Rear parking brake recording little or no effort | 579 |
| Anti-lock braking system warning lamp indicates an ABS fault | 511 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 483 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 446 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 443 |
| Offside Stop lamp not working |1.2.1b| | 436 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 340 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 328 |
| Registration plate issues | 317 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 311 |
| Nearside Stop lamp not working |1.2.1b| | 278 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 278 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 275 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 266 |
| Rear brake binding | 236 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 222 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 217 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 209 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 207 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 206 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 203 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 189 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 184 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 184 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 175 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 171 |
| Offside Rear Stop lamp not working |1.2.1b| | 168 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 166 |
| Brakes imbalanced across an axle | 161 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 161 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 159 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 150 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 144 |
| Rear fog lamp not working |1.3.2b| | 136 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 127 |
| Offside Rear fog lamp not working |1.3.2b| | 126 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 125 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 123 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 118 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 117 |
| Nearside Rear Stop lamp not working |1.2.1b| | 110 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 108 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 104 |
| Offside Front Position lamp not working |4.2.1 |a|| | 102 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 100 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 98 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 97 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 96 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 93 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 87 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 84 |
| Offside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 83 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 83 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 82 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 82 |
| Rear brake disc in such a condition that it is seriously weakened | 82 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 81 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 79 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 77 |
| Windscreen washer not working | 75 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 72 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 70 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 69 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 67 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 66 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 64 |
| Rear Mechanical brake component has restricted free movement | 61 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 60 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 60 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 60 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 57 |
| Nearside Front Shock absorbers has a serious fluid leak | 57 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 57 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 55 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 54 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 54 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 53 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 53 |
| Nearside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 53 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 52 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 52 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 52 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 52 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 51 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 51 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 51 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 51 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 51 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 50 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 50 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 49 |
| Windscreen wiper blade insecure | 49 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 48 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 47 |
| Brake pivot has restricted free movement |3.5.1k| | 46 |
| Battery insecure |1.9.1| | 46 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 46 |
| Brake hose excessively deteriorated | 45 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 44 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 43 |
| Offside Headlamp not working on main beam |1.7.5a| | 43 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 42 |