| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 21 |
| Registration plate lamp issues | 16 |
| Headlamp aim out of alignment | 13 |
| Registration plate issues | 10 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Horn not working |1.6.2a| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Rear parking brake recording little or no effort | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Steering locking device insecure |2.2.C.1g| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Front Headlamp not working on dipped beam hid fitted |4.1.1 |a| |ii|| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Rear Stop lamp not working both |1.2.1b| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1 |
| Front Headlamp not working on dipped beam nearside and offside |4.1.1 |a| |ii|| | 1 |
| Front Headlamp not working on main beam nearside and offside |4.1.1 |a| |ii|| | 1 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Wheel stud|s| missing All wheels
|4.2.A.1e| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front Headlamp cleaning device inoperative |1.7.2| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp|s| adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Nearside Front Position lamp adversely affected by the operation of another lamp |4.2.3 |c|| | 1 |
| Nearside Front Anti-roll bar ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Brake pipe connection leaking on a hydraulic braking system |1.1.11 |b| |ii|| | 1 |
| Rear Anti-roll bar has excessive play in a pin/bush both |2.4.G.2| | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Emissions not tested vehicle obviously running to rich
vehicle stalling at idle |7.3.A.1| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 1 |
| Emissions not tested (8.2.1.2 (d)) | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Drive shaft which forms part of the suspension damaged bolts loose |2.4.G.4a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Nearside Front Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Inner Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Inner Rear brake disc excessively pitted |3.5.1h| | 1 |