| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 118 |
| Registration plate lamp issues | 78 |
| Windscreen wiper does not clear the windscreen effectively | 75 |
| Registration plate issues | 50 |
| Brake pipe excessively corroded | 45 |
| Rear fog lamp not working |1.3.2b| | 44 |
| Parking brake: efficiency below requirements |3.7.B.7| | 37 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 34 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Rear parking brake recording little or no effort | 24 |
| Offside Rear fog lamp not working |1.3.2b| | 24 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 20 |
| Parking brake lever has no reserve travel |3.1.6b| | 20 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 19 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Windscreen washer not working | 13 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 12 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 11 |
| Rear brake binding | 11 |
| Rear fog lamp missing |1.3.2a| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Rear Rear fog lamp not working |1.3.2b| | 9 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 9 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 9 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Horn not working |1.6.2a| | 8 |
| Brakes imbalanced across an axle | 8 |
| Offside Rear fog lamp missing |1.3.2a| | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Rear fog lamp emits a light other than red |1.3.2e| | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 6 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 6 |
| Emissions not tested |7.3.A.1| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Offside Side repeater not working |1.4.A.2c| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| All position lamps not working |1.1.A.3b| | 5 |
| Battery insecure |1.9.1| | 5 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 5 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 5 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Emissions not tested |7.0| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 4 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 4 |
| Rear fog lamp switch missing |1.3.1a| | 3 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Rear fog lamp switch faulty |1.3.1a| | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 3 |
| Rear Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 3 |
| Front brake application uneven | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Brake hose has insufficient room to move | 3 |
| Rear fog lamp insecure |1.3.2a| | 3 |
| Offside Side repeater missing |1.4.A.2b| | 3 |
| Nearside Side repeater missing |1.4.A.2b| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 3 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Offside Front Headlamp insecure |1.7.3| | 3 |
| Front brake excessively fluctuating | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Windscreen wiper blade insecure | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 2 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Centre Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement Inner bush |2.4.G.2| | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Rear fog lamp switch missing (4.5.3 (a) (ii)) | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 2 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Front Position lamp not working |4.2.1 |a|| | 2 |
| All position lamps not working |4.2.1 |a|| | 2 |
| Parking brake: efficiency below requirements |3.7.D.4| | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Rear Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 2 |
| Rear fog lamp tell tale missing |1.3.1b| | 2 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 2 |
| Offside Rear Rear fog lamp emits a light other than red |1.3.2e| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 2 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 2 |
| Nearside Front Headlamp insecure |1.7.3| | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Offside Rear fog lamp insecure |1.3.2a| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 2 |
| Nearside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 2 |
| Offside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 2 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 2 |
| Offside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 2 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 2 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 2 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 2 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front All position lamps not working |1.1.A.3b| | 2 |