| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 216 |
| Rear parking brake recording little or no effort | 98 |
| Headlamp aim out of alignment | 81 |
| Brake pipe excessively corroded | 73 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 60 |
| Windscreen wiper does not clear the windscreen effectively | 49 |
| Registration plate lamp issues | 42 |
| Parking brake lever has no reserve travel |3.1.6b| | 30 |
| Offside Headlamp not working on main beam |1.7.5a| | 19 |
| Registration plate issues | 19 |
| Nearside Rear Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 18 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Nearside Headlamp not working on main beam |1.7.5a| | 17 |
| Power steering component|s| leaking |2.3.3b| | 17 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Rear Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 13 |
| Brakes imbalanced across an axle | 13 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 12 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 12 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 11 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 11 |
| Offside Front Braking system leaking |3.6.A.1| | 11 |
| Offside Rear fog lamp not working |1.3.2b| | 11 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Side repeater not working |1.4.A.2c| | 9 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Rear Lower Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 8 |
| Nearside Rear brake caliper leaking |3.6.A.1| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Rear brake binding | 7 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Offside Rear Fluid suspension unit leaking |2.4.D.2| | 7 |
| Windscreen washer not working | 7 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 7 |
| Horn not working |1.6.2a| | 7 |
| Braking system leaking |3.6.A.1| | 7 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 6 |
| Front Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Offside Side repeater not working |1.4.A.2c| | 6 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 6 |
| Windscreen wiper blade insecure | 5 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Fluid suspension levelling valve leaking |2.4.D.2| | 5 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Rear Braking system leaking |3.6.A.1| | 5 |
| Offside Rear brake caliper leaking |3.6.A.1| | 5 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 5 |
| Headlamp switch faulty |1.7.1| | 5 |
| Fuel system component leaking |7.2.3| | 5 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front brake caliper leaking |3.6.A.1| | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 4 |
| Offside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 4 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Nearside Rear Braking system leaking |3.6.A.1| | 4 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 4 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 4 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 3 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Fluid suspension unit leaking |2.4.D.2| | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Front Headlamp does not operate immediately when selected on main beam |1.7.4a| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 3 |
| Offside Rear Lower Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 3 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 3 |
| Nearside Rear Fluid suspension levelling valve leaking |2.4.D.2| | 3 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 3 |
| Offside Rear Parking (secondary brake) on a single line braking system has inadequate effort at a wheel (1.3.1 (a) (i)) | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Front brake caliper leaking |3.6.A.1| | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Braking system leaking |3.6.A.1| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Power steering pipe|s| or hose|s| leaking |2.3.3b| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| 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| | 3 |
| rear parking |secondary| brakes imbalanced | 3 |
| Offside Front Fluid suspension leaking |2.4.D.2| | 3 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 3 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 3 |