| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1383 |
| Windscreen wiper does not clear the windscreen effectively | 1054 |
| Headlamp aim out of alignment | 924 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 729 |
| Registration plate lamp issues | 693 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 300 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 290 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 255 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 242 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 234 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 214 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 206 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 191 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 187 |
| Offside Stop lamp not working |1.2.1b| | 173 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 172 |
| Parking brake: efficiency below requirements |3.7.B.7| | 171 |
| Parking brake lever has no reserve travel |3.1.6b| | 171 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 170 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 164 |
| Registration plate issues | 163 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 160 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 158 |
| Rear fog lamp not working |1.3.2b| | 157 |
| Rear parking brake recording little or no effort | 156 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 156 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 154 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 146 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 145 |
| Anti-lock braking system warning lamp indicates an ABS fault | 135 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 131 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 130 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 129 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 116 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 116 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 109 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 104 |
| Offside Rear fog lamp not working |1.3.2b| | 98 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 95 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 85 |
| Nearside Stop lamp not working |1.2.1b| | 84 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 83 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 78 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 77 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 72 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 72 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 72 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 71 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 70 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 69 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 68 |
| Brakes imbalanced across an axle | 68 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 67 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 66 |
| Rear brake binding | 63 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 60 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 60 |
| Offside Front Position lamp not working |4.2.1 |a|| | 60 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 59 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 57 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 57 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 56 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 51 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 50 |
| Windscreen washer not working | 49 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 48 |
| Offside Rear Stop lamp not working |1.2.1b| | 47 |
| Offside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 47 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 46 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 45 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 45 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 45 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 42 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 41 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 40 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 40 |
| Fuel tank leaking (6.1.3 (b) (i)) | 40 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 39 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 38 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 36 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 36 |
| Rear brake disc in such a condition that it is seriously weakened | 36 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 36 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 36 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 36 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 34 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 34 |
| Nearside Rear Stop lamp not working |1.2.1b| | 33 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 33 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 32 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 32 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 32 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 31 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 29 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 29 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 29 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 29 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 28 |
| 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)) | 28 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 26 |
| Windscreen wiper blade insecure | 25 |
| Front Prop shaft joint excessively worn (6.1.7 (c) (i)) | 25 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 25 |