| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 476 |
| Headlamp aim out of alignment | 302 |
| Registration plate lamp issues | 283 |
| Brake pipe excessively corroded | 165 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 71 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 62 |
| Brakes imbalanced across an axle | 61 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 60 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 54 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 51 |
| Anti-lock braking system warning lamp indicates an ABS fault | 51 |
| Registration plate issues | 50 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 49 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 45 |
| Nearside Stop lamp not working |1.2.1b| | 39 |
| Offside Stop lamp not working |1.2.1b| | 35 |
| Windscreen has damage | 33 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 30 |
| Offside Rear Stop lamp not working |1.2.1b| | 30 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 27 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Windscreen washer not working | 23 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 23 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 21 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 18 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 18 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 17 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 17 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 16 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 16 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Parking brake: efficiency below requirements |3.7.B.7| | 16 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 15 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Parking brake lever has no reserve travel |3.1.6b| | 15 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Horn not working |1.6.2a| | 15 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 13 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 13 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Horn not working (7.7 (a)) | 13 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Rear parking brake recording little or no effort | 11 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Brake hose excessively deteriorated | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Rear brake binding | 10 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Windscreen wiper blade insecure | 9 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 9 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 9 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Rear brake application uneven | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Emissions not tested (8.2.2.2 (e)) | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Offside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 6 |
| Battery insecure |1.9.1| | 6 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine |8.2.2.2 |b|| | 6 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Nearside Rear Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |