| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 544 |
| Headlamp aim out of alignment | 354 |
| Windscreen wiper does not clear the windscreen effectively | 344 |
| Brake pipe excessively corroded | 234 |
| Nearside Stop lamp not working |1.2.1b| | 97 |
| Parking brake: efficiency below requirements |3.7.B.7| | 94 |
| Brakes imbalanced across an axle | 89 |
| Offside Stop lamp not working |1.2.1b| | 85 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 79 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 67 |
| Rear parking brake recording little or no effort | 67 |
| Rear brake application uneven | 54 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 43 |
| Windscreen has damage | 43 |
| Rear brake binding | 42 |
| Offside Rear fog lamp not working |1.3.2b| | 42 |
| Parking brake lever has no reserve travel |3.1.6b| | 40 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 38 |
| Registration plate issues | 38 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Front brake disc in such a condition that it is seriously weakened | 34 |
| Offside Rear Stop lamp not working |1.2.1b| | 32 |
| Nearside Rear Stop lamp not working |1.2.1b| | 32 |
| Horn not working |1.6.2a| | 30 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 29 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 28 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 22 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 22 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 21 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 20 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Rear Exhaust system not adequately supported |7.1.1| | 20 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 17 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 17 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 16 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 16 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 16 |
| Driver`s seat insecure |6.2.A.1| | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 14 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 13 |
| Nearside Obligatory mirror missing |8.1.1| | 13 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 13 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 12 |
| Exhaust system not adequately supported |7.1.1| | 12 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 11 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Front brake application uneven | 10 |
| Windscreen wiper blade insecure | 9 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Obligatory mirror missing |8.1.1| | 9 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 9 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 9 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 9 |
| Offside Side repeater not working |1.4.A.2c| | 8 |
| Stop lamp not working |1.2.1b| | 8 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 8 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 8 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 8 |
| Power steering fluid level below minimum |2.3.1| | 8 |
| Offside Rear Braking system leaking |3.6.A.1| | 7 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 7 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Emissions not tested |7.0| | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Windscreen washer not working | 7 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Steering rack gaiter split |2.2.D.2d| | 7 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 7 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 7 |
| rear brakes release unevenly |3.7.B.4| | 7 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 7 |
| Nearside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 6 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Side repeater not working |1.4.A.2c| | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 6 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |