| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1005 |
| Parking brake: efficiency below requirements |3.7.B.7| | 847 |
| Windscreen wiper does not clear the windscreen effectively | 811 |
| Registration plate lamp issues | 787 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 464 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 441 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 440 |
| Rear parking brake recording little or no effort | 430 |
| Brakes imbalanced across an axle | 419 |
| Rear brake binding | 380 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 292 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 268 |
| Registration plate issues | 194 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 183 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 175 |
| Nearside Headlamp insecure |1.7.3| | 134 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 133 |
| Offside Stop lamp not working |1.2.1b| | 127 |
| Service brake: efficiency below requirements |3.7.B.7| | 117 |
| Nearside Stop lamp not working |1.2.1b| | 113 |
| Parking brake lever has no reserve travel |3.1.6b| | 101 |
| Rear brake disc in such a condition that it is seriously weakened | 100 |
| Offside front brake binding |3.7.B.1| | 99 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 98 |
| Emissions not tested |7.0| | 98 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 91 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 90 |
| Nearside front brake binding |3.7.B.1| | 90 |
| Offside Rear fog lamp not working |1.3.2b| | 88 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 86 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 84 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 84 |
| Front brake application uneven | 79 |
| Anti-lock braking system warning lamp indicates an ABS fault | 77 |
| Rear brake application uneven | 72 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 72 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 68 |
| Rear Exhaust system not adequately supported |7.1.1| | 67 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 64 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 63 |
| Offside Headlamp insecure |1.7.3| | 61 |
| Bonnet cannot be secured in the closed position |8.4.1| | 58 |
| Brake pipe excessively corroded | 57 |
| Battery insecure |1.9.1| | 56 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 55 |
| Offside Rear Stop lamp not working |1.2.1b| | 55 |
| Offside Front front brake binding |3.7.B.1| | 52 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 52 |
| Nearside Front Headlamp insecure |1.7.3| | 51 |
| Offside Front coil spring fractured |2.4.C.1a| | 50 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 50 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 48 |
| Mechanical brake component has restricted free movement | 48 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 48 |
| Rear Mechanical brake component has restricted free movement | 46 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 45 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 44 |
| Rear fog lamp not working |1.3.2b| | 44 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 43 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 43 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 43 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 42 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 42 |
| Nearside Front coil spring fractured |2.4.C.1a| | 41 |
| Windscreen has damage | 41 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 39 |
| Nearside Rear Stop lamp not working |1.2.1b| | 39 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 39 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 38 |
| Offside Headlamp not working on main beam |1.7.5a| | 37 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 37 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 37 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 35 |
| Windscreen wiper blade insecure | 34 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 32 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 32 |
| Nearside Front front brake binding |3.7.B.1| | 32 |
| Centre Stop lamp not working |1.2.1b| | 32 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 31 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 31 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 31 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 30 |
| Exhaust system not adequately supported |7.1.1| | 30 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 28 |
| Offside Front Headlamp insecure |1.7.3| | 28 |
| Windscreen washer not working | 27 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 27 |
| Front position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Offside Steering rack gaiter split |2.2.D.2d| | 25 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 24 |
| Offside Front coil spring broken |2.4.C.1a| | 24 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 23 |
| Nearside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 23 |
| Nearside Front coil spring broken |2.4.C.1a| | 23 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 22 |
| Nearside Headlamp not working on main beam |1.7.5a| | 22 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 22 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 22 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Front brake disc excessively pitted |3.5.1h| | 21 |
| Offside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 20 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 19 |
| Centre Exhaust system not adequately supported |7.1.1| | 19 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 19 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 18 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 18 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 18 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 18 |