| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 510 |
| Registration plate lamp issues | 419 |
| Hazard warning switch faulty |1.4.B.1d| | 275 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 251 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 251 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 237 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 234 |
| Parking brake: efficiency below requirements |3.7.B.7| | 205 |
| Windscreen wiper does not clear the windscreen effectively | 203 |
| Rear parking brake recording little or no effort | 162 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 139 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 110 |
| Registration plate issues | 108 |
| Rear brake binding | 87 |
| Anti-lock braking system warning lamp indicates an ABS fault | 81 |
| Rear brake disc in such a condition that it is seriously weakened | 76 |
| Centre Stop lamp not working |1.2.1b| | 71 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 64 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 59 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 58 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 58 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 56 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 55 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 54 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 52 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 48 |
| Battery insecure |1.9.1| | 48 |
| Brakes imbalanced across an axle | 45 |
| Windscreen has damage | 43 |
| Brake pipe excessively corroded | 42 |
| Offside Rear coil spring broken |2.4.C.1a| | 38 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 37 |
| Nearside Rear coil spring broken |2.4.C.1a| | 36 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 34 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Front brake disc in such a condition that it is seriously weakened | 32 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 28 |
| Horn not working |1.6.2a| | 28 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 28 |
| Offside Rear coil spring fractured |2.4.C.1a| | 26 |
| Rear Exhaust system not adequately supported |7.1.1| | 25 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 25 |
| Offside Rear fog lamp not working |1.3.2b| | 24 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 23 |
| Exhaust system not adequately supported |7.1.1| | 22 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 21 |
| Service brake: efficiency below requirements |3.7.B.7| | 21 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 21 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 20 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 19 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 16 |
| Rear brake disc excessively pitted |3.5.1h| | 16 |
| Steering lock fails to engage |2.1.4b| | 15 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 15 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 15 |
| Nearside Stop lamp not working |1.2.1b| | 15 |
| Rear brake application uneven | 14 |
| Rear fog lamp not working |1.3.2b| | 14 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Centre Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Rear Mechanical brake component has restricted free movement | 13 |
| Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 13 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 13 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 12 |
| Centre Exhaust system not adequately supported |7.1.1| | 12 |
| Emissions not tested |7.0| | 12 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 12 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 12 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 11 |
| Stop lamp not working |1.2.1b| | 11 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 11 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 11 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Nearside Outer Front Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Hazard warning lamps inoperative |1.4.B.1b| | 11 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Offside Ball joint has excessive play |2.2.B.1f| | 10 |
| Upper Stop lamp not working |1.2.1b| | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Centre Upper Stop lamp not working |1.2.1b| | 10 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 10 |