| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4086 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3774 |
| Brake pipe excessively corroded | 3050 |
| Registration plate lamp issues | 1826 |
| Rear parking brake recording little or no effort | 1767 |
| Windscreen wiper does not clear the windscreen effectively | 1378 |
| Registration plate issues | 1160 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 721 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 639 |
| Brake hose excessively deteriorated | 639 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 625 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 495 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 477 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 376 |
| Front brake disc in such a condition that it is seriously weakened | 367 |
| Offside Stop lamp not working |1.2.1b| | 355 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 353 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 337 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 324 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 319 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 303 |
| Nearside Stop lamp not working |1.2.1b| | 300 |
| Brakes imbalanced across an axle | 290 |
| Windscreen has damage | 289 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 287 |
| Offside Rear coil spring broken |2.4.C.1a| | 282 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 275 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 275 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 269 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 267 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 262 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 247 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 241 |
| Nearside Rear coil spring broken |2.4.C.1a| | 233 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 231 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 230 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 229 |
| Windscreen washer not working | 227 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 224 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 217 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 213 |
| Nearside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 201 |
| Parking brake lever has no reserve travel |3.1.6b| | 200 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 197 |
| Offside Rear fog lamp not working |1.3.2b| | 182 |
| Centre Stop lamp not working |1.2.1b| | 177 |
| Offside Rear Stop lamp not working |1.2.1b| | 174 |
| Offside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 170 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 169 |
| Anti-lock braking system warning lamp indicates an ABS fault | 163 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 150 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 143 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 142 |
| Rear brake disc in such a condition that it is seriously weakened | 140 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 140 |
| Rear brake binding | 138 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 136 |
| Nearside Rear Stop lamp not working |1.2.1b| | 133 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 131 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 129 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 127 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 124 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 121 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 120 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 119 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 119 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 117 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 115 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 114 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 113 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 112 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 111 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 109 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 105 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 105 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 103 |
| Horn not working |1.6.2a| | 102 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 102 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 101 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 99 |
| Offside Rear coil spring fractured |2.4.C.1a| | 98 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 94 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 94 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 92 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 92 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 91 |
| Nearside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 89 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 89 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 88 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 86 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 86 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 85 |
| Offside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 84 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 84 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 84 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 83 |
| Front brake application uneven | 80 |
| Front Exhaust system not adequately supported |7.1.1| | 79 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 79 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 78 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 77 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 77 |
| Emissions not tested |7.0| | 76 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 76 |
| Nearside Side repeater not working |1.4.A.2c| | 74 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 74 |