| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 278 |
| Headlamp aim out of alignment | 225 |
| Brake pipe excessively corroded | 185 |
| Windscreen wiper does not clear the windscreen effectively | 144 |
| Brake hose excessively deteriorated | 125 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 118 |
| Offside Stop lamp not working |1.2.1b| | 109 |
| Nearside Stop lamp not working |1.2.1b| | 99 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 65 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 64 |
| Parking brake: efficiency below requirements |3.7.B.7| | 59 |
| Offside Rear Stop lamp not working |1.2.1b| | 55 |
| Rear Exhaust system not adequately supported |7.1.1| | 53 |
| Registration plate issues | 46 |
| Nearside Rear Stop lamp not working |1.2.1b| | 46 |
| Rear brake binding | 41 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 40 |
| Brakes imbalanced across an axle | 38 |
| Anti-lock braking system warning lamp indicates an ABS fault | 38 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 38 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 37 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 33 |
| Rear brake disc in such a condition that it is seriously weakened | 31 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 31 |
| Offside Front coil spring incomplete |2.4.C.1a| | 29 |
| Offside Front coil spring fractured |2.4.C.1a| | 28 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Rear parking brake recording little or no effort | 28 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| Service brake: efficiency below requirements |3.7.B.7| | 25 |
| Bonnet cannot be secured in the closed position |8.4.1| | 24 |
| Offside Front coil spring broken |2.4.C.1a| | 23 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 22 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 21 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 21 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 20 |
| Offside Rear coil spring broken |2.4.C.1a| | 19 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Nearside Rear coil spring broken |2.4.C.1a| | 17 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Headlamp switch faulty |1.7.1| | 16 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Nearside Front coil spring broken |2.4.C.1a| | 15 |
| Windscreen has damage | 15 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 15 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 14 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Nearside Headlamp not working on main beam |1.7.5a| | 14 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 13 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 13 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 13 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 12 |
| Windscreen wiper blade insecure | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 12 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 11 |
| Front brake application uneven | 11 |
| Offside Headlamp insecure |1.7.3| | 11 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 11 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Front coil spring fractured |2.4.C.1a| | 10 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 10 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 10 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 9 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 9 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Exhaust system not adequately supported |7.1.1| | 8 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Side repeater incorrect colour |1.4.A.2f| | 8 |
| Power steering inoperative |2.3.3a| | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 7 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 6 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Side repeater not working |1.4.A.2c| | 6 |
| Rear brake application uneven | 6 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Windscreen washer not working | 6 |
| Stop lamp not working |1.2.1b| | 6 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 5 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Headlamp aim not tested |1.8.A.1c| | 5 |
| Emissions not tested |7.0| | 5 |
| Offside rear brake juddering severely |3.7.A.5b| | 5 |
| Centre Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 5 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Headlamp aim not tested |1.8.A.1c| | 5 |
| Offside Headlamp not working on main beam |1.7.5a| | 5 |
| Main beam `tell-tale` not working |1.7.4c| | 5 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Horn not working |1.6.2a| | 5 |