| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1875 |
| Headlamp aim out of alignment | 1455 |
| Registration plate lamp issues | 1384 |
| Brake pipe excessively corroded | 1095 |
| Anti-lock braking system warning lamp indicates an ABS fault | 559 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 331 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 330 |
| Brakes imbalanced across an axle | 259 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 225 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 217 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 184 |
| Registration plate issues | 172 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 152 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 142 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 124 |
| Rear brake binding | 107 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 107 |
| Nearside Stop lamp not working |1.2.1b| | 91 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 88 |
| Offside Stop lamp not working |1.2.1b| | 87 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 86 |
| Windscreen wiper blade insecure | 81 |
| Battery insecure |1.9.1| | 81 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 77 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 76 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 75 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 73 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 70 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 62 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 62 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 59 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 58 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 58 |
| Parking brake: efficiency below requirements |3.7.B.7| | 58 |
| Offside Rear Stop lamp not working |1.2.1b| | 57 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 56 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 51 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 51 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 51 |
| Service brake: efficiency below requirements |3.7.B.7| | 48 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 48 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 48 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 45 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 45 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Windscreen has damage | 41 |
| Rear brake application uneven | 41 |
| Front brake disc in such a condition that it is seriously weakened | 41 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Front brake application uneven | 39 |
| Nearside Rear Stop lamp not working |1.2.1b| | 39 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 38 |
| Nearside Seat belt anchorage prescribed area is excessively corroded outer sill |5.2.6| | 37 |
| Offside Seat belt anchorage prescribed area is excessively corroded outer sill |5.2.6| | 35 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 35 |
| Centre Stop lamp not working |1.2.1b| | 34 |
| Rear parking brake recording little or no effort | 33 |
| Front brake excessively fluctuating | 32 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 31 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 31 |
| Offside Rear fog lamp not working |1.3.2b| | 29 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 29 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Power steering fluid level below minimum |2.3.1| | 28 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 28 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 28 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 28 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 27 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 27 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 26 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded sill |5.2.6| | 24 |
| Emissions not tested |7.0| | 23 |
| Offside Front Position lamp not working |4.2.1 |a|| | 23 |
| Windscreen washer not working | 23 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 22 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 22 |