| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 793 |
| Rear parking brake recording little or no effort | 719 |
| Headlamp aim out of alignment | 405 |
| Windscreen wiper does not clear the windscreen effectively | 359 |
| Brake pipe excessively corroded | 340 |
| Registration plate lamp issues | 212 |
| Parking brake lever has no reserve travel |3.1.6b| | 150 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 141 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 139 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 111 |
| Registration plate issues | 105 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 98 |
| Service brake: efficiency below requirements |3.7.B.7| | 92 |
| Offside Stop lamp not working |1.2.1b| | 91 |
| Nearside Stop lamp not working |1.2.1b| | 85 |
| Brakes imbalanced across an axle | 84 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 83 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 81 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 67 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 66 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 64 |
| Rear brake binding | 61 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 59 |
| Front brake disc in such a condition that it is seriously weakened | 58 |
| Anti-lock braking system warning lamp indicates an ABS fault | 57 |
| Rear brake disc in such a condition that it is seriously weakened | 56 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 53 |
| Rear brake application uneven | 52 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 50 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 50 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 50 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 49 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 48 |
| Stop lamp not working |1.2.1b| | 45 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 41 |
| Offside Rear Stop lamp not working |1.2.1b| | 41 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Nearside Rear Stop lamp not working |1.2.1b| | 36 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 36 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 35 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 35 |
| Emissions not tested |7.0| | 34 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 34 |
| Rear brake disc excessively pitted |3.5.1h| | 33 |
| Centre Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Rear Stop lamp not working |1.2.1b| | 27 |
| Offside Rear fog lamp not working |1.3.2b| | 25 |
| Offside Front coil spring fractured |2.4.C.1a| | 24 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 24 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 22 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 20 |
| Exhaust engine idle speed too high |7.3.D.1| | 20 |
| Windscreen has damage | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 19 |
| Front brake application uneven | 18 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 18 |
| Front Exhaust system not adequately supported |7.1.1| | 18 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Offside Rear brake disc excessively scored |3.5.1h| | 17 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 17 |
| Brake pedal spongy |3.3.B.1b| | 16 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 16 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 16 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 15 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 14 |
| Nearside Front coil spring fractured |2.4.C.1a| | 14 |
| Power steering component|s| leaking |2.3.3b| | 14 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 14 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 14 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 13 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 12 |
| Centre Rear Stop lamp not working |1.2.1b| | 12 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 11 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 11 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 11 |
| Offside Front coil spring incomplete |2.4.C.1a| | 10 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Parking brake: efficiency below requirements |3.7.D.4| | 10 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Windscreen wiper blade insecure | 10 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 10 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 10 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 10 |
| Centre Stop lamp emits other than a steady red light |1.2.1e| | 9 |
| Rear Mechanical brake component has restricted free movement | 9 |
| Nearside front brake juddering severely |3.7.A.2b| | 9 |
| Offside Front brake disc excessively pitted |3.5.1h| | 9 |
| Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 8 |
| Front brake disc excessively pitted |3.5.1h| | 8 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 8 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |