| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 247 |
| Registration plate lamp issues | 219 |
| Headlamp aim out of alignment | 195 |
| Windscreen wiper does not clear the windscreen effectively | 168 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 85 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 82 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 79 |
| Parking brake lever has no reserve travel |3.1.6b| | 70 |
| Offside Stop lamp not working |1.2.1b| | 65 |
| Nearside Stop lamp not working |1.2.1b| | 51 |
| Rear parking brake recording little or no effort | 47 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Registration plate issues | 37 |
| Offside Rear Stop lamp not working |1.2.1b| | 36 |
| Rear brake binding | 31 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 26 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 23 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Battery insecure |1.9.1| | 11 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Brake pivot has restricted free movement |3.5.1k| | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Windscreen wiper blade insecure | 10 |
| Brakes imbalanced across an axle | 9 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 9 |
| Exhaust system not adequately supported |7.1.1| | 9 |
| Windscreen has damage | 9 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 8 |
| Rear Mechanical brake component has restricted free movement | 8 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 7 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 7 |
| Centre Exhaust system not adequately supported |7.1.1| | 7 |
| Rear brake disc in such a condition that it is seriously weakened | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 6 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Offside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 5 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Power steering fluid level below minimum |2.3.1| | 5 |
| Front Exhaust system not adequately supported |7.1.1| | 5 |
| Rear Brake pivot has restricted free movement |3.5.1k| | 5 |
| Rear Exhaust system not adequately supported |7.1.1| | 5 |
| Windscreen washer not working | 5 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 5 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Nearside Front Headlamp lens seriously defective (4.1.1 (b) (ii)) | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 4 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 4 |
| Nearside Rear Shock absorbers has a serious fluid leak | 4 |
| Service brake: efficiency below requirements |3.7.C.1a| | 4 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 4 |
| Nearside Rear Brake cable has restricted free movement |3.5.1k| | 4 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 4 |
| Offside Front Anti-roll bar linkage fractured |5.3.3 |b| |ii|| | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 4 |
| Brake relay lever has restricted free movement |3.5.1k| | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Offside Steering rack gaiter split |2.2.D.2d| | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |