| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2810 |
| Registration plate lamp issues | 2643 |
| Headlamp aim out of alignment | 1836 |
| Brake hose excessively deteriorated | 1793 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1352 |
| Nearside Stop lamp not working |1.2.1b| | 979 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 969 |
| Offside Stop lamp not working |1.2.1b| | 898 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 829 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 775 |
| Brake pipe excessively corroded | 757 |
| Registration plate issues | 722 |
| Parking brake: efficiency below requirements |3.7.B.7| | 700 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 661 |
| Brakes imbalanced across an axle | 640 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 496 |
| Rear parking brake recording little or no effort | 437 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 418 |
| Nearside Rear Stop lamp not working |1.2.1b| | 403 |
| Offside Rear Stop lamp not working |1.2.1b| | 343 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 280 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 268 |
| Parking brake lever has no reserve travel |3.1.6b| | 266 |
| Emissions not tested |7.0| | 253 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 241 |
| Front brake application uneven | 201 |
| Centre Stop lamp not working |1.2.1b| | 194 |
| Brake hose damaged | 189 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 169 |
| Windscreen wiper blade insecure | 147 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 142 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 136 |
| Nearside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 135 |
| Windscreen has damage | 134 |
| Rear brake binding | 132 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 132 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 125 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 124 |
| Offside front brake binding |3.7.B.1| | 122 |
| Nearside front brake binding |3.7.B.1| | 112 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 102 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 100 |
| Battery insecure |1.9.1| | 98 |
| Service brake: efficiency below requirements |3.7.B.7| | 97 |
| Front brake disc in such a condition that it is seriously weakened | 97 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 95 |
| Stop lamp not working |1.2.1b| | 93 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 86 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 84 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 83 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 78 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 77 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 76 |
| Rear Stop lamp not working |1.2.1b| | 69 |
| Offside Rear fog lamp not working |1.3.2b| | 68 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 68 |
| Offside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 66 |
| Rear Exhaust system not adequately supported |7.1.1| | 63 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 62 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 58 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 58 |
| Mechanical brake component has restricted free movement | 58 |
| Front position lamp|s| not working |1.1.A.3b| | 57 |
| Nearside Front front brake binding |3.7.B.1| | 53 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 51 |
| Centre Rear Stop lamp not working |1.2.1b| | 51 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 50 |
| Offside Front front brake binding |3.7.B.1| | 50 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 50 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 49 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 49 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 49 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 48 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 48 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 47 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 42 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 42 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 42 |
| Anti-lock braking system warning lamp indicates an ABS fault | 41 |
| Rear brake disc in such a condition that it is seriously weakened | 41 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 41 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 40 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 40 |
| Rear brake application uneven | 38 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 36 |
| Rear fog lamp not working |1.3.2b| | 36 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Horn not working |1.6.2a| | 34 |