| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 95 |
| Registration plate lamp issues | 81 |
| Parking brake: efficiency below requirements |3.7.B.7| | 62 |
| Windscreen wiper does not clear the windscreen effectively | 56 |
| Brake pipe excessively corroded | 43 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Rear parking brake recording little or no effort | 23 |
| Registration plate issues | 21 |
| Brakes imbalanced across an axle | 19 |
| Anti-lock braking system warning lamp indicates an ABS fault | 18 |
| Windscreen has damage | 18 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 9 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Windscreen washer not working | 9 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 6 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Brake hose excessively deteriorated | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 5 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Offside Side repeater not working |1.4.A.2c| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front coil spring broken |2.4.C.1a| | 2 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 2 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Nearside Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 2 |
| Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Outline marker lamp not working |4.2.1 |a|| | 2 |
| Offside Front coil spring fractured |2.4.C.1a| | 2 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (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)) | 2 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 2 |
| Nearside Side repeater incomplete |1.5.A1b| | 2 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Offside Front Shock absorbers has a serious fluid leak | 2 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 2 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 2 |
| Emissions not tested (8.2.2.2 (e)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 2 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 2 |
| Nearside Rear Fluid suspension unit leaking |2.4.D.2| | 2 |
| Front brake excessively fluctuating | 2 |
| Front brake application uneven | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Drive shaft joint constant velocity boot missing (6.1.7 (g) (ii)) | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Rear coil spring broken |2.4.C.1a| | 2 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Rear Leaf spring to axle securing bolt insecure |2.4.B.7b| | 2 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Rear Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Speed limiter plate missing |6.9.1a| | 2 |
| Horn not working |1.6.2a| | 2 |