| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 829 |
| Registration plate lamp issues | 429 |
| Brake pipe excessively corroded | 426 |
| Windscreen wiper does not clear the windscreen effectively | 419 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 198 |
| Parking brake: efficiency below requirements |3.7.B.7| | 193 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 185 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 153 |
| Rear brake binding | 149 |
| Rear parking brake recording little or no effort | 128 |
| Registration plate issues | 120 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 66 |
| Brakes imbalanced across an axle | 61 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 58 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 57 |
| Nearside Stop lamp not working |1.2.1b| | 51 |
| Parking brake lever has no reserve travel |3.1.6b| | 50 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 49 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 42 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 39 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 38 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 37 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 35 |
| Offside Rear coil spring broken |2.4.C.1a| | 34 |
| Offside Stop lamp not working |1.2.1b| | 33 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Offside Front coil spring broken |2.4.C.1a| | 32 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Windscreen has damage | 29 |
| Battery insecure |1.9.1| | 29 |
| Rear brake disc in such a condition that it is seriously weakened | 28 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Anti-lock braking system warning lamp indicates an ABS fault | 27 |
| Nearside Rear Stop lamp not working |1.2.1b| | 26 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Nearside Rear coil spring broken |2.4.C.1a| | 24 |
| Nearside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 23 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |
| Rear Mechanical brake component has restricted free movement | 22 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 22 |
| Offside Rear Stop lamp not working |1.2.1b| | 21 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 21 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Windscreen wiper blade insecure | 18 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Offside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 18 |
| Emissions not tested |7.0| | 17 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 17 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 16 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 16 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Offside Rear coil spring fractured |2.4.C.1a| | 15 |
| Front position lamp|s| not working |1.1.A.3b| | 15 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Front brake application uneven | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Rear Headlamp levelling device obviously defective |1.7.2| | 13 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 13 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Front coil spring fractured |2.4.C.1a| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Front coil spring broken |2.4.C.1a| | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 12 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 11 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 11 |
| Nearside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Rear fog lamp not working |1.3.2b| | 11 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Nearside Headlamp not working on main beam |1.7.5a| | 10 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 10 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 10 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Offside Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 9 |
| Horn not working |1.6.2a| | 9 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 9 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Brake hose damaged | 9 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 9 |