| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 203 |
| Windscreen wiper does not clear the windscreen effectively | 174 |
| Headlamp aim out of alignment | 173 |
| Brakes imbalanced across an axle | 108 |
| Parking brake: efficiency below requirements |3.7.B.7| | 107 |
| Offside Rear fog lamp not working |1.3.2b| | 79 |
| Registration plate issues | 66 |
| Brake pipe excessively corroded | 51 |
| Rear fog lamp not working |1.3.2b| | 51 |
| Nearside Stop lamp not working |1.2.1b| | 49 |
| Service brake: efficiency below requirements |3.7.B.7| | 46 |
| Offside Stop lamp not working |1.2.1b| | 44 |
| Rear parking brake recording little or no effort | 34 |
| Windscreen has damage | 34 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 33 |
| Anti-lock braking system warning lamp indicates an ABS fault | 31 |
| Rear Exhaust system not adequately supported |7.1.1| | 29 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 29 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 22 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 21 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 20 |
| Rear brake application uneven | 20 |
| Nearside Rear Stop lamp not working |1.2.1b| | 18 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 17 |
| Rear brake binding | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 15 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 15 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 14 |
| Steering column universal joint has excessive play |2.1.5| | 14 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 13 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 12 |
| Exhaust system not adequately supported |7.1.1| | 11 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 11 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Battery insecure |1.9.1| | 10 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 10 |
| Nearside Obligatory mirror insecure |8.1.1| | 10 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 10 |
| Offside Obligatory mirror insecure |8.1.1| | 10 |
| Front brake application uneven | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 9 |
| Offside Rear Leaf spring cracked |2.4.B.1a| | 9 |
| Windscreen washer not working | 9 |
| Rear Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 9 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 8 |
| Rear fog lamp missing |1.3.2a| | 8 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Rear reflector missing |1.5.1a| | 8 |
| Nearside Front Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 7 |
| Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Outer Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Rear fog lamp missing |1.3.2a| | 7 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Outer Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Windscreen wiper blade insecure | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Front brake excessively fluctuating | 6 |
| Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 6 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 5 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 5 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 5 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Nearside Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Horn not working |1.6.2a| | 4 |
| Steering column universal joint has excessive wear or play (2.2.2 (c)) | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Obligatory mirror insecure (3.3 (b) (ii)) | 4 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 4 |
| Rear Exhaust system insecure (6.1.2 (a)) | 4 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Rear Wheel stud|s| missing |4.2.A.1e| | 4 |
| Offside Obligatory mirror does not provide a view to the rear |8.1.2b| | 4 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 4 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Inner Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Centre Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Outer Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| An item not tested |Manual| | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |