| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 331 |
| Windscreen wiper does not clear the windscreen effectively | 241 |
| Brake pipe excessively corroded | 184 |
| Parking brake: efficiency below requirements |3.7.B.7| | 138 |
| Rear brake binding | 97 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 92 |
| Brakes imbalanced across an axle | 88 |
| Rear parking brake recording little or no effort | 84 |
| Brake hose excessively deteriorated | 74 |
| Anti-lock braking system warning lamp indicates an ABS fault | 72 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 71 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 62 |
| Registration plate issues | 60 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 60 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 58 |
| Registration plate lamp issues | 58 |
| Parking brake lever has no reserve travel |3.1.6b| | 57 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 56 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 56 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Nearside Headlamp not working on main beam |1.7.5a| | 46 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 44 |
| Offside Stop lamp not working |1.2.1b| | 43 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 42 |
| Nearside Stop lamp not working |1.2.1b| | 42 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 41 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 39 |
| Windscreen washer not working | 36 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 33 |
| Offside Headlamp not working on main beam |1.7.5a| | 32 |
| Service brake: efficiency below requirements |3.7.B.7| | 32 |
| Nearside front brake binding |3.7.B.1| | 32 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Offside Front Brake hose leaking |3.6.A.1| | 26 |
| Nearside Front front brake binding |3.7.B.1| | 26 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 26 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 25 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 24 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 22 |
| Offside front brake binding |3.7.B.1| | 22 |
| Offside Front front brake binding |3.7.B.1| | 21 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 20 |
| Offside Rear fog lamp not working |1.3.2b| | 20 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Front brake application uneven | 20 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Offside Rear Stop lamp not working |1.2.1b| | 18 |
| Rear brake disc in such a condition that it is seriously weakened | 18 |
| Nearside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 18 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 18 |
| Nearside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 17 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| All position lamps not working |1.1.A.3b| | 16 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Offside Obligatory mirror insecure |8.1.1| | 15 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 14 |
| Brake performance not tested |3.7.A.1| | 14 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 14 |
| Mechanical brake component has restricted free movement | 14 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Nearside Front Brake hose leaking |3.6.A.1| | 13 |
| Stop lamp remains on when the brakes are released | 13 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 13 |
| Offside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 13 |
| Rear Mechanical brake component has restricted free movement | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 12 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 12 |
| Steering rack insecure |2.2.B.1a| | 12 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 12 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 12 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 11 |
| Windscreen has damage | 11 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Direction indicators not working |1.4.A.2c| | 10 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Offside Steering rack gaiter split |2.2.D.2d| | 10 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Front Upper Shock absorber has an excessively worn bush |2.7.4| | 10 |
| Power steering component|s| leaking |2.3.3b| | 10 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 9 |
| Offside Rear Radius arm corroded and seriously weakened |2.4.G.1| | 9 |
| Offside Front coil spring fractured |2.4.C.1a| | 9 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 9 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Side repeater not working |1.4.A.2c| | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 9 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Front Direction indicator not working |1.4.A.2c| | 8 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Side repeater not working |1.4.A.2c| | 8 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Windscreen wiper blade insecure | 8 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 8 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Front Upper Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Emissions not tested |7.0| | 7 |
| Nearside Headlamp insecure |1.7.3| | 7 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 7 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 7 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 7 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 7 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 7 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 7 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |