| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 10 |
| Headlamp aim out of alignment | 10 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Offside Side repeater not working |1.4.A.2c| | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Shock absorbers has a serious fluid leak | 2 |
| Registration plate lamp issues | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Nearside Front coil spring broken |2.4.C.1a| | 2 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Obligatory mirror does not provide a view to the rear |3.3 |c|| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 1 |
| Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Lower Suspension arm ball joint likely to become detached rearmost joint (5.3.4 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn rear most joint (5.3.4 (a) (i)) | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| 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| | 1 |
| 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| | 1 |
| Offside Front Statutory seat belt missing |5.1.1| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Nearside Rear Suspension arm severely distorted |2.4.G.1| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Registration plate issues | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint rear |2.4.G.2| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Horn not working |1.6.2a| | 1 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Headlamp aim not tested BOTH |4.1.2 |b|| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Offside Obligatory mirror insecure |3.3 |b| |ii|| | 1 |
| Offside Obligatory mirror does not provide a view to the rear |3.3 |c|| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn rear arm (5.3.4 (a) (i)) | 1 |
| Offside Front Shock absorbers insecurely attached (5.3.2 (a) (i)) | 1 |
| Nearside Headlamp aim beam image obviously incorrect bulb incorrectly fitted and cover not fitted, both fixed |1.8.A.1b| | 1 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Rear Exhaust system insecure both mounting bolts loose (6.1.2 (a)) | 1 |
| Trailer electrical socket likely to become detached one nut missing, the other 2 loose (4.10 (a) (ii)) | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Offside Rear Road wheel fractured (5.2.2 (a)) | 1 |
| Rear Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 1 |
| Nearside Front Headlamp light intensity severely reduced dipped beam |4.1.4 |a|| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Lower Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Lower Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Driver`s airbag obviously defective |5.4.1| | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Front front brake juddering severely |3.7.A.2b| | 1 |
| Offside Front front brake juddering severely |3.7.A.2b| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front brake excessively fluctuating | 1 |
| Nearside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn Rearward (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn Rearward (5.3.4 (a) (i)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 1 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Offside Rear Coil spring corroded so that its cross sectional area is reduced and seriously weakened (5.3.1 (b) (i)) | 1 |
| Nearside Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Inner Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Inner Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn drop link (5.3.4 (a) (i)) | 1 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn drop link (5.3.4 (a) (i)) | 1 |