| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 5451 |
| Headlamp aim out of alignment | 4014 |
| Brake pipe excessively corroded | 3870 |
| Rear brake binding | 2147 |
| Brakes imbalanced across an axle | 1414 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1340 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1330 |
| Registration plate lamp issues | 1279 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1044 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 911 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 910 |
| Rear parking brake recording little or no effort | 890 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 872 |
| Parking brake lever has no reserve travel |3.1.6b| | 720 |
| Nearside Stop lamp not working |1.2.1b| | 678 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 669 |
| Offside Stop lamp not working |1.2.1b| | 662 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 607 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 464 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 426 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 425 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 415 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 411 |
| Front brake disc in such a condition that it is seriously weakened | 394 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 390 |
| Registration plate issues | 388 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 357 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 353 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 342 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 317 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 314 |
| Nearside Rear Stop lamp not working |1.2.1b| | 308 |
| Windscreen washer not working | 302 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 298 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 281 |
| Offside Rear Stop lamp not working |1.2.1b| | 281 |
| Offside Rear Shock absorbers has a serious fluid leak | 280 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 272 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 272 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 270 |
| Rear Mechanical brake component has restricted free movement | 258 |
| Nearside Rear Shock absorbers has a serious fluid leak | 249 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 248 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 248 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 239 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 239 |
| Offside Front Position lamp not working |4.2.1 |a|| | 231 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 225 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 217 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 205 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 199 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 194 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 193 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 191 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 185 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 183 |
| Offside Front coil spring broken |2.4.C.1a| | 181 |
| Rear brake application uneven | 178 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 176 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 173 |
| Brake hose excessively deteriorated | 172 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 168 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 168 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 168 |
| Anti-lock braking system warning lamp indicates an ABS fault | 154 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 152 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 151 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 150 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 150 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 150 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 141 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 139 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 135 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 133 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 133 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 129 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 128 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 123 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 122 |
| Nearside Front coil spring broken |2.4.C.1a| | 120 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 118 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 117 |
| Emissions not tested (8.2.1.2 (d)) | 113 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 112 |
| Rear Exhaust system not adequately supported |7.1.1| | 108 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 101 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 100 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 99 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 97 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 96 |
| Rear fog lamp not working |1.3.2b| | 95 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 93 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 93 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 92 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 92 |
| Front brake excessively fluctuating | 90 |