| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 289 |
| Registration plate lamp issues | 254 |
| Headlamp aim out of alignment | 241 |
| Brake pipe excessively corroded | 214 |
| Rear parking brake recording little or no effort | 118 |
| Parking brake: efficiency below requirements |3.7.B.7| | 106 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 105 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 104 |
| Registration plate issues | 95 |
| Brake hose excessively deteriorated | 88 |
| Nearside Stop lamp not working |1.2.1b| | 83 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 82 |
| Parking brake lever has no reserve travel |3.1.6b| | 80 |
| Offside Stop lamp not working |1.2.1b| | 78 |
| Offside Rear fog lamp not working |1.3.2b| | 78 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 64 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 62 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 55 |
| Nearside Rear Stop lamp not working |1.2.1b| | 52 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 50 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Anti-lock braking system warning lamp indicates an ABS fault | 35 |
| Brakes imbalanced across an axle | 32 |
| Rear fog lamp not working |1.3.2b| | 29 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 28 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Offside Rear Stop lamp not working |1.2.1b| | 26 |
| Emissions not tested |7.0| | 26 |
| Windscreen has damage | 25 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 24 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 23 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 21 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 21 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 19 |
| Steering rack insecure |2.2.B.1a| | 19 |
| Horn not working |1.6.2a| | 18 |
| Rear brake binding | 18 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 17 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 17 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 16 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 16 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 15 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 14 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Rear fog lamp tell tale not working |1.3.1b| | 14 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 14 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 13 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 13 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Service brake: efficiency below requirements |3.7.C.1a| | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Battery insecure |1.9.1| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 11 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 11 |
| Rear Exhaust system not adequately supported |7.1.1| | 11 |
| Bonnet cannot be secured in the closed position |8.4.1| | 11 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Windscreen wiper blade insecure | 10 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 9 |
| Centre Exhaust system not adequately supported |7.1.1| | 9 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Front brake application uneven | 8 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Nearside Steering rack insecure |2.2.B.1a| | 7 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 7 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Offside Steering rack gaiter split |2.2.D.2d| | 7 |
| Offside Rear Brake lever has restricted free movement |3.5.1k| | 7 |
| Parking brake: efficiency below requirements |3.7.D.4| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 7 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Rear brake application uneven | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 7 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 6 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Offside Steering rack insecure |2.2.B.1a| | 6 |
| Offside Rear fog lamp missing |1.3.2a| | 6 |
| Offside Rear Brake pivot has restricted free movement |3.5.1k| | 6 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 6 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 6 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 6 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Emissions not tested |7.3.A.1| | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 6 |