| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 635 |
| Registration plate lamp issues | 561 |
| Windscreen wiper does not clear the windscreen effectively | 485 |
| Brake pipe excessively corroded | 324 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 311 |
| Offside Steering rack gaiter split |2.2.D.2d| | 306 |
| Horn not working |1.6.2a| | 299 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 270 |
| Parking brake lever has no reserve travel |3.1.6b| | 204 |
| Parking brake: efficiency below requirements |3.7.B.7| | 196 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 179 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 149 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 141 |
| Offside Rear fog lamp not working |1.3.2b| | 137 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 124 |
| Offside Stop lamp not working |1.2.1b| | 123 |
| Rear parking brake recording little or no effort | 123 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 121 |
| Brakes imbalanced across an axle | 118 |
| Registration plate issues | 116 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 108 |
| Nearside Stop lamp not working |1.2.1b| | 108 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 108 |
| Emissions not tested |7.0| | 91 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 82 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 61 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 60 |
| Nearside Rear Stop lamp not working |1.2.1b| | 60 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 57 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Offside Rear Stop lamp not working |1.2.1b| | 56 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 49 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 47 |
| Service brake: efficiency below requirements |3.7.B.7| | 45 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 40 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 34 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 32 |
| Rear brake application uneven | 28 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Steering rack gaiter split |2.2.D.2d| | 25 |
| Front brake application uneven | 25 |
| Exhaust system not adequately supported |7.1.1| | 24 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Nearside Steering component mounting prescribed area is fractured |2.2.C.1h| | 23 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 22 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 22 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 21 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 21 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Offside front brake binding |3.7.B.1| | 20 |
| Windscreen has damage | 20 |
| Rear Exhaust system not adequately supported |7.1.1| | 20 |
| Rear fog lamp not working |1.3.2b| | 19 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Steering rack insecure |2.2.B.1a| | 17 |
| Battery insecure |1.9.1| | 17 |
| Offside Front Anti-roll bar linkage missing |2.4.G.1| | 17 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 17 |
| Offside Front brake disc excessively pitted |3.5.1h| | 17 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 17 |
| Hazard warning switch faulty |1.4.B.1d| | 16 |
| Front Exhaust system not adequately supported |7.1.1| | 16 |
| Rear brake binding | 16 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 15 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 14 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 14 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 14 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Windscreen wiper blade insecure | 13 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Nearside front brake binding |3.7.B.1| | 13 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 12 |
| Rear Rear fog lamp not working |1.3.2b| | 12 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 12 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 12 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 12 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 12 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 12 |
| Nearside Front Steering component mounting prescribed area is fractured |2.2.C.1h| | 12 |
| Nearside Steering rack insecure |2.2.B.1a| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 11 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 11 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 11 |
| Direction indicators not working |1.4.A.2c| | 11 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 11 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 10 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 10 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 10 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Centre Exhaust system not adequately supported |7.1.1| | 10 |
| Brake hose excessively deteriorated | 10 |
| Nearside Front Anti-roll bar linkage missing |2.4.G.1| | 10 |
| Nearside Headlamp insecure |1.7.3| | 9 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 9 |
| Offside Front front brake binding |3.7.B.1| | 9 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 9 |