| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 461 |
| Windscreen wiper does not clear the windscreen effectively | 399 |
| Headlamp aim out of alignment | 388 |
| Offside Stop lamp not working |1.2.1b| | 181 |
| Brake pipe excessively corroded | 181 |
| Horn not working |1.6.2a| | 156 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 124 |
| Nearside Stop lamp not working |1.2.1b| | 109 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 107 |
| Brakes imbalanced across an axle | 98 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 97 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 82 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 80 |
| Offside Rear Stop lamp not working |1.2.1b| | 66 |
| Front brake disc in such a condition that it is seriously weakened | 64 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 57 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 56 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 54 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Nearside Rear Stop lamp not working |1.2.1b| | 44 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 42 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Registration plate issues | 39 |
| Brake load sensing valve seized |3.6.E.3| | 38 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 37 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 37 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 35 |
| Service brake: efficiency below requirements |3.7.B.7| | 34 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 34 |
| Offside Front coil spring broken |2.4.C.1a| | 34 |
| Windscreen has damage | 33 |
| Centre Exhaust system not adequately supported |7.1.1| | 32 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 30 |
| Windscreen washer not working | 29 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 28 |
| Exhaust system not adequately supported |7.1.1| | 26 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 26 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 25 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 24 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 24 |
| Indicator switch faulty |1.4.A.1| | 23 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 23 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Nearside Front coil spring broken |2.4.C.1a| | 22 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 20 |
| Battery insecure |1.9.1| | 20 |
| Brake load sensing valve linkage seized |3.6.E.3| | 19 |
| Horn not working (7.7 (a) (ii)) | 19 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 19 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Brake hose excessively deteriorated | 18 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Power steering component|s| leaking |2.3.3b| | 18 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 18 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 17 |
| 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| | 17 |
| Horn not working |7.7 |a| |ii|| | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 16 |
| Windscreen wiper blade insecure | 16 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 15 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 15 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Rear brake application uneven | 14 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Horn not working (7.7 (a)) | 13 |
| 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| | 13 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| 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| | 12 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 12 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 11 |
| Offside Front coil spring fractured |2.4.C.1a| | 11 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 11 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 11 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Emissions not tested |7.0| | 11 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 11 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Rear Exhaust system not adequately supported |7.1.1| | 10 |
| Nearside Side repeater not working |1.4.A.2c| | 10 |
| Rear brake binding | 10 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 9 |
| Offside Side repeater not working |1.4.A.2c| | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 9 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Front coil spring fractured |2.4.C.1a| | 9 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Rear parking brake recording little or no effort | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 9 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 8 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 8 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Power steering fluid reservoir empty (2.1.5 (b) (ii)) | 8 |
| Front brake application uneven | 8 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 8 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 8 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 8 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Rear fog lamp not working |1.3.2b| | 8 |