| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 124 |
| Parking brake: efficiency below requirements |3.7.B.7| | 87 |
| Registration plate issues | 87 |
| Windscreen wiper does not clear the windscreen effectively | 76 |
| Brake pipe excessively corroded | 69 |
| Rear parking brake recording little or no effort | 40 |
| Registration plate lamp issues | 37 |
| Brake hose excessively deteriorated | 25 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 20 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 19 |
| Parking brake lever has no reserve travel |3.1.6b| | 19 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 18 |
| Horn not working |1.6.2a| | 17 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Brakes imbalanced across an axle | 11 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Windscreen wiper blade insecure | 10 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Windscreen has damage | 9 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Windscreen washer not working | 7 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 6 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 5 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Steering system excessively tight |2.2.D.1| | 5 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 5 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 5 |
| Driver`s airbag obviously defective |5.4.1| | 5 |
| Nearside Front Braking system leaking |3.6.A.1| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 4 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Power steering component|s| leaking |2.3.3b| | 4 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 4 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 3 |
| All position lamps not working |1.1.A.3b| | 3 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 3 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Rear Shock absorbers has a serious fluid leak | 3 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 3 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 3 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Headlamp switch faulty |1.7.1| | 3 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 3 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 3 |
| Brake pedal spongy |3.3.B.1b| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |