| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 625 |
| Registration plate lamp issues | 617 |
| Windscreen wiper does not clear the windscreen effectively | 513 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 334 |
| Brake hose excessively deteriorated | 251 |
| Offside Stop lamp not working |1.2.1b| | 188 |
| Brakes imbalanced across an axle | 187 |
| Brake pipe excessively corroded | 183 |
| Registration plate issues | 179 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 177 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 164 |
| Nearside Stop lamp not working |1.2.1b| | 157 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 154 |
| Front brake disc in such a condition that it is seriously weakened | 145 |
| Brake load sensing valve linkage seized |3.6.E.3| | 141 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 135 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 129 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 121 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 120 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 112 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 109 |
| Rear brake application uneven | 102 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 101 |
| Parking brake: efficiency below requirements |3.7.B.7| | 96 |
| Emissions not tested |7.0| | 86 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 83 |
| Horn not working |1.6.2a| | 81 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 77 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 74 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 71 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 70 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 68 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 66 |
| Rear parking brake recording little or no effort | 65 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 64 |
| Service brake: efficiency below requirements |3.7.B.7| | 63 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 63 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 62 |
| Nearside Rear Stop lamp not working |1.2.1b| | 59 |
| Offside Rear Stop lamp not working |1.2.1b| | 59 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 55 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 54 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 53 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 53 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 52 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 48 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 48 |
| Offside Rear fog lamp not working |1.3.2b| | 45 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 45 |
| Windscreen wiper blade insecure | 43 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 43 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 41 |
| Centre Rear Statutory seat belt missing |5.1.1| | 40 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 40 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 39 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 38 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 36 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 36 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 35 |
| Nearside Headlamp not working on main beam |1.7.5a| | 34 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 34 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 32 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 32 |
| Windscreen has damage | 32 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 31 |
| Rear brake binding | 30 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Front brake application uneven | 28 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 27 |
| Rear Exhaust system not adequately supported |7.1.1| | 27 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 25 |
| Offside Front brake disc excessively pitted |3.5.1h| | 24 |
| Brake hose damaged | 23 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 23 |
| Offside Headlamp not working on main beam |1.7.5a| | 23 |
| Brake load sensing valve seized |3.6.E.3| | 23 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 23 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 23 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 22 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 22 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 22 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 21 |
| Rear Brake valve leaking |3.6.A.1| | 21 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 20 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 20 |
| Front brake disc excessively pitted |3.5.1h| | 20 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 19 |
| Nearside Rear Braking system leaking |3.6.A.1| | 19 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 19 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 18 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 17 |
| Nearside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 17 |
| Anti-lock braking system warning lamp indicates an ABS fault | 17 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 17 |
| Nearside Side repeater not working |1.4.A.2c| | 17 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 17 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Exhaust system not adequately supported |7.1.1| | 16 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 16 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 15 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 15 |
| Brake valve leaking |3.6.A.1| | 14 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 14 |
| Offside Rear Braking system leaking |3.6.A.1| | 14 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 13 |
| Offside Steering rack gaiter split |2.2.D.2d| | 13 |
| Stop lamp remains on when the brakes are released | 13 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 13 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 12 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 12 |
| Centre Statutory seat belt missing |5.1.1| | 12 |