| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 5745 |
| Windscreen wiper does not clear the windscreen effectively | 4049 |
| Headlamp aim out of alignment | 3674 |
| Brake pipe excessively corroded | 2722 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2063 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1919 |
| Nearside Stop lamp not working |1.2.1b| | 864 |
| Offside Stop lamp not working |1.2.1b| | 784 |
| Rear parking brake recording little or no effort | 734 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 682 |
| Registration plate issues | 668 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 616 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 561 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 558 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 535 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 505 |
| Centre Stop lamp not working |1.2.1b| | 503 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 493 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 477 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 441 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 435 |
| Fuel tank leaking |7.2.3| | 427 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 420 |
| Brakes imbalanced across an axle | 404 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 403 |
| Windscreen has damage | 381 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 333 |
| Nearside Rear Stop lamp not working |1.2.1b| | 324 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 317 |
| Offside Rear Stop lamp not working |1.2.1b| | 313 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 310 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 309 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 301 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 294 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 272 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 268 |
| Windscreen washer not working | 262 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 257 |
| Rear brake disc in such a condition that it is seriously weakened | 248 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 244 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 244 |
| Anti-lock braking system warning lamp indicates an ABS fault | 241 |
| Fuel system component leaking |7.2.3| | 228 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 227 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 204 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 198 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 197 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 197 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 195 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 191 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 191 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 186 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 181 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 181 |
| Central Stop lamp not working |1.2.1b| | 179 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 176 |
| Front brake disc in such a condition that it is seriously weakened | 172 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 165 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 162 |
| Offside Front Position lamp not working |4.2.1 |a|| | 156 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 151 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 150 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 144 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 143 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 141 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 140 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 138 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 137 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 135 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 133 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 132 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 130 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 130 |
| Fuel pipe leaking |7.2.3| | 129 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 129 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 128 |
| Upper Stop lamp not working |1.2.1b| | 124 |
| Emissions not tested (8.2.2.2 (e)) | 118 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 118 |
| Service brake: efficiency below requirements |3.7.B.7| | 116 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 116 |
| Fuel tank leaking (6.1.3 (b) (i)) | 113 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 113 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 106 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 106 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 103 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 102 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 100 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 100 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 100 |
| Fuel hose leaking |7.2.3| | 98 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 96 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 95 |
| Stop lamp not working |1.2.1b| | 94 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 93 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 93 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 92 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 91 |
| Centre Rear Stop lamp not working |1.2.1b| | 90 |
| Fuel system component leaking (6.1.3 (b) (i)) | 89 |
| Horn not working |1.6.2a| | 88 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 88 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 86 |
| Windscreen wiper blade insecure | 85 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 85 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 84 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 84 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 83 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 82 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 80 |