| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 4200 |
| Headlamp aim out of alignment | 3925 |
| Windscreen wiper does not clear the windscreen effectively | 3118 |
| Brake pipe excessively corroded | 1259 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 818 |
| Brakes imbalanced across an axle | 782 |
| Rear brake binding | 722 |
| Offside Front coil spring fractured |2.4.C.1a| | 708 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 654 |
| Offside Front coil spring incomplete |2.4.C.1a| | 604 |
| Nearside Front coil spring fractured |2.4.C.1a| | 587 |
| Rear Exhaust system not adequately supported |7.1.1| | 578 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 560 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 555 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 550 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 541 |
| Front brake disc in such a condition that it is seriously weakened | 541 |
| Registration plate issues | 532 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 528 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 526 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 506 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 493 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 484 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 477 |
| Parking brake: efficiency below requirements |3.7.B.7| | 472 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 441 |
| Offside Front coil spring broken |2.4.C.1a| | 436 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 429 |
| Centre Stop lamp not working |1.2.1b| | 426 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 416 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 379 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 372 |
| Offside Stop lamp not working |1.2.1b| | 363 |
| Nearside Front coil spring broken |2.4.C.1a| | 340 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 338 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 336 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 317 |
| Nearside Stop lamp not working |1.2.1b| | 311 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 302 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 300 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 286 |
| Rear parking brake recording little or no effort | 282 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 264 |
| Anti-lock braking system warning lamp indicates an ABS fault | 259 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 243 |
| Parking brake lever has no reserve travel |3.1.6b| | 232 |
| Offside Rear coil spring broken |2.4.C.1a| | 229 |
| Nearside Rear coil spring broken |2.4.C.1a| | 225 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 219 |
| Service brake: efficiency below requirements |3.7.B.7| | 205 |
| Offside Rear fog lamp not working |1.3.2b| | 193 |
| Windscreen has damage | 187 |
| 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| | 164 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 158 |
| Offside front brake binding |3.7.B.1| | 158 |
| Battery insecure |1.9.1| | 155 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 150 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 145 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 145 |
| Offside Rear Stop lamp not working |1.2.1b| | 145 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 144 |
| Emissions not tested |7.0| | 142 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 138 |
| Windscreen wiper blade insecure | 138 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 136 |
| 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| | 135 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 134 |
| Exhaust system not adequately supported |7.1.1| | 134 |
| 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| | 134 |
| 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| | 132 |
| Nearside Rear Stop lamp not working |1.2.1b| | 132 |
| Fuel system component leaking |7.2.3| | 131 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 131 |
| Nearside Headlamp not working on main beam |1.7.5a| | 127 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 125 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 125 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 123 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 119 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 116 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 114 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 113 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 111 |
| Rear Mechanical brake component has restricted free movement | 111 |
| Front brake application uneven | 108 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 107 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 107 |
| Stop lamp not working |1.2.1b| | 105 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 103 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 101 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 100 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 100 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 95 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 94 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 93 |
| Offside Front Direction indicator not working |1.4.A.2c| | 92 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 91 |
| Horn not working |1.6.2a| | 91 |
| Offside Headlamp not working on main beam |1.7.5a| | 90 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 90 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 90 |
| Rear brake application uneven | 87 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 87 |
| Offside Front front brake binding |3.7.B.1| | 86 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 85 |
| Centre Rear Stop lamp not working |1.2.1b| | 84 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 83 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 80 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 76 |
| Front brake excessively fluctuating | 75 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 75 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 75 |
| Offside Front coil spring cracked |2.4.C.1a| | 75 |
| Offside Front brake disc excessively pitted |3.5.1h| | 74 |
| Nearside Side repeater not working |1.4.A.2c| | 74 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 74 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 73 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 72 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 72 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 71 |
| Nearside front brake binding |3.7.B.1| | 70 |
| Windscreen washer not working | 68 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 65 |
| Brake hose excessively deteriorated | 65 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 64 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 63 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 63 |