| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3577 |
| Headlamp aim out of alignment | 3103 |
| Brake pipe excessively corroded | 2632 |
| Registration plate lamp issues | 2224 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1144 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 819 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 563 |
| Rear parking brake recording little or no effort | 543 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 487 |
| Registration plate issues | 466 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 412 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 367 |
| Brakes imbalanced across an axle | 363 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 356 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 315 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 314 |
| Nearside Stop lamp not working |1.2.1b| | 303 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 303 |
| Offside Stop lamp not working |1.2.1b| | 293 |
| Rear brake binding | 282 |
| Brake hose excessively deteriorated | 280 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 264 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 244 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 211 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 207 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 207 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 206 |
| Rear brake disc in such a condition that it is seriously weakened | 203 |
| Parking brake lever has no reserve travel |3.1.6b| | 190 |
| Nearside Rear Stop lamp not working |1.2.1b| | 169 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 157 |
| Offside Rear Stop lamp not working |1.2.1b| | 155 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 150 |
| Front brake disc in such a condition that it is seriously weakened | 146 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 145 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 141 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 139 |
| Windscreen washer not working | 138 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 137 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 134 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 126 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 112 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 109 |
| Nearside Rear Shock absorbers has a serious fluid leak | 108 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 106 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 104 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 102 |
| Nearside Front Shock absorbers has a serious fluid leak | 99 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 98 |
| Offside Front Position lamp not working |4.2.1 |a|| | 97 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 97 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 97 |
| Offside Rear fog lamp not working |1.3.2b| | 92 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 91 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 90 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 90 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 87 |
| Offside Rear Shock absorbers has a serious fluid leak | 85 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 84 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 83 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 82 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 82 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 81 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 79 |
| Windscreen has damage | 79 |
| Horn not working (7.7 (a)) | 78 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 77 |
| Horn not working |1.6.2a| | 76 |
| Rear fog lamp not working |1.3.2b| | 76 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 75 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 75 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 74 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 74 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 71 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 70 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 70 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 67 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 66 |
| Anti-lock braking system warning lamp indicates an ABS fault | 65 |
| Rear Mechanical brake component has restricted free movement | 64 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 64 |
| Offside Front Shock absorbers has a serious fluid leak | 63 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 62 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 61 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 61 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 59 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 58 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 57 |
| Windscreen wiper blade insecure | 55 |