| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2027 |
| Headlamp aim out of alignment | 939 |
| Brake pipe excessively corroded | 698 |
| Windscreen wiper does not clear the windscreen effectively | 585 |
| Parking brake: efficiency below requirements |3.7.B.7| | 445 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 369 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 350 |
| Brake hose excessively deteriorated | 329 |
| Rear parking brake recording little or no effort | 318 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 217 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 217 |
| Registration plate issues | 175 |
| Brakes imbalanced across an axle | 165 |
| Offside Rear coil spring fractured |2.4.C.1a| | 156 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 145 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 139 |
| Parking brake lever has no reserve travel |3.1.6b| | 138 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 130 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 116 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 107 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 105 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 103 |
| Rear brake disc in such a condition that it is seriously weakened | 94 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 88 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 86 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 85 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 83 |
| Rear brake binding | 82 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 79 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 75 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 74 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 73 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 70 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 65 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 64 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 60 |
| Front brake disc in such a condition that it is seriously weakened | 60 |
| Nearside Stop lamp not working |1.2.1b| | 59 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 57 |
| 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| | 56 |
| Battery insecure |1.9.1| | 48 |
| Offside Rear fog lamp not working |1.3.2b| | 48 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 48 |
| Front brake application uneven | 47 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 46 |
| Offside Rear coil spring broken |2.4.C.1a| | 46 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 45 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 44 |
| Brake hose damaged | 44 |
| Offside Stop lamp not working |1.2.1b| | 42 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 41 |
| Offside Front coil spring broken |2.4.C.1a| | 41 |
| Front position lamp|s| not working |1.1.A.3b| | 41 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| 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| | 39 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 39 |
| 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| | 39 |
| Nearside Rear coil spring broken |2.4.C.1a| | 39 |
| 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| | 38 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 38 |
| Service brake: efficiency below requirements |3.7.B.7| | 35 |
| Offside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 34 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 34 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 34 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 33 |
| Offside Front coil spring fractured |2.4.C.1a| | 33 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 32 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 32 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 31 |
| Windscreen has damage | 31 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Nearside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 29 |
| Bonnet cannot be secured in the closed position |8.4.1| | 29 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 29 |
| Rear brake application uneven | 29 |
| Offside Front coil spring incomplete |2.4.C.1a| | 27 |
| Nearside Front coil spring broken |2.4.C.1a| | 25 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 24 |
| Windscreen wiper blade insecure | 23 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 23 |
| Nearside Inner Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 22 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 22 |
| Nearside Headlamp not working on main beam |1.7.5a| | 22 |
| Front brake excessively fluctuating | 21 |
| Nearside Rear Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Offside Rear Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 20 |
| Offside Outer Rear position lamp|s| not working |1.1.A.3b| | 20 |
| 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| | 20 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Offside Side repeater not working |1.4.A.2c| | 19 |
| Rear fog lamp not working |1.3.2b| | 19 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 19 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 19 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 18 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 18 |
| 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| | 18 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 18 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 17 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Outer Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 16 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 16 |
| Offside Headlamp not working on main beam |1.7.5a| | 16 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Offside Rear coil spring cracked |2.4.C.1a| | 16 |
| Nearside Front coil spring fractured |2.4.C.1a| | 16 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 15 |
| 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| | 15 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Hazard warning switch faulty |1.4.B.1d| | 14 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Offside front brake binding |3.7.B.1| | 14 |
| Offside Inner Rear position lamp|s| not working |1.1.A.3b| | 14 |