| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 671 |
| Registration plate lamp issues | 591 |
| Parking brake: efficiency below requirements |3.7.B.7| | 571 |
| Headlamp aim out of alignment | 536 |
| Brake pipe excessively corroded | 470 |
| Rear parking brake recording little or no effort | 312 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 287 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 265 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 248 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 241 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 236 |
| Hazard warning switch faulty |1.4.B.1d| | 223 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 210 |
| Registration plate issues | 200 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 191 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 175 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 173 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 159 |
| Brakes imbalanced across an axle | 158 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 143 |
| Service brake: efficiency below requirements |3.7.B.7| | 140 |
| Front brake disc in such a condition that it is seriously weakened | 139 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 131 |
| Centre Stop lamp not working |1.2.1b| | 128 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 119 |
| Windscreen has damage | 113 |
| Horn not working |1.6.2a| | 111 |
| Nearside Stop lamp not working |1.2.1b| | 100 |
| Rear brake disc in such a condition that it is seriously weakened | 97 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 97 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 96 |
| Offside Stop lamp not working |1.2.1b| | 87 |
| Offside Rear coil spring broken |2.4.C.1a| | 81 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 79 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 74 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 71 |
| Nearside Rear coil spring broken |2.4.C.1a| | 68 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 64 |
| Parking brake lever has no reserve travel |3.1.6b| | 63 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 61 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 61 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 57 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 56 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 55 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 55 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 52 |
| Rear brake binding | 50 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 49 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 49 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 46 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 43 |
| Offside Rear coil spring fractured |2.4.C.1a| | 43 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 42 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 42 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 41 |
| Nearside Rear Stop lamp not working |1.2.1b| | 41 |
| Windscreen washer not working | 39 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 39 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 38 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 37 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 37 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 36 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 36 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 35 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 35 |
| Offside Rear fog lamp not working |1.3.2b| | 34 |
| Windscreen wiper blade insecure | 31 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 31 |
| 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| | 30 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 28 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 27 |
| Rear Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 27 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Hazard warning lamps inoperative |1.4.B.1b| | 26 |
| Brake hose has insufficient room to move | 25 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 25 |
| Anti-lock braking system warning lamp indicates an ABS fault | 25 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 25 |
| Fuel system component leaking |7.2.3| | 24 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 24 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 23 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 23 |
| Offside Rear Stop lamp not working |1.2.1b| | 23 |
| Rear brake application uneven | 23 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 22 |
| Stop lamp not working |1.2.1b| | 22 |
| Front brake application uneven | 22 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 22 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 21 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 20 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 19 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 19 |
| 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| | 18 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 18 |
| Rear brake disc excessively pitted |3.5.1h| | 18 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 18 |
| Offside front brake binding |3.7.B.1| | 18 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 18 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 17 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 17 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 17 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 17 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 17 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 17 |
| 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 |
| Offside Front Direction indicator not working |1.4.A.2c| | 17 |
| 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| | 17 |
| Front position lamp|s| not working |1.1.A.3b| | 17 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 17 |
| Offside Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Brake load sensing valve has been disconnected and was fitted as standard |3.6.E.2| | 16 |
| Centre Rear Stop lamp not working |1.2.1b| | 16 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 16 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 16 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 16 |
| Brake load sensing valve inoperative |3.6.E.3| | 15 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 15 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 15 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 15 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 15 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 15 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Shock absorbers has a serious fluid leak | 15 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 15 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Brake hose excessively deteriorated | 15 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 14 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 14 |
| Emissions not tested |7.0| | 14 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 14 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |