| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 669 |
| Windscreen wiper does not clear the windscreen effectively | 469 |
| Registration plate lamp issues | 319 |
| Brakes imbalanced across an axle | 283 |
| Nearside Stop lamp not working |1.2.1b| | 132 |
| Offside Stop lamp not working |1.2.1b| | 129 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 121 |
| Registration plate issues | 105 |
| Brake pipe excessively corroded | 105 |
| Rear brake binding | 104 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 101 |
| Brake hose excessively deteriorated | 101 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 98 |
| Parking brake: efficiency below requirements |3.7.B.7| | 90 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 80 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 75 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 73 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 73 |
| Service brake: efficiency below requirements |3.7.B.7| | 72 |
| Front brake disc in such a condition that it is seriously weakened | 71 |
| Parking brake lever has no reserve travel |3.1.6b| | 59 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 57 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 56 |
| Rear parking brake recording little or no effort | 53 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 52 |
| Nearside Rear Stop lamp not working |1.2.1b| | 51 |
| Offside Rear Stop lamp not working |1.2.1b| | 50 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 48 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 47 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 44 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 42 |
| Offside Front coil spring broken |2.4.C.1a| | 41 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 41 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 41 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 41 |
| Horn not working |1.6.2a| | 39 |
| Windscreen has damage | 37 |
| Offside Rear Shock absorbers has a serious fluid leak | 37 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Offside Front coil spring incomplete |2.4.C.1a| | 35 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 35 |
| Nearside Rear Shock absorbers has a serious fluid leak | 35 |
| Nearside Rear coil spring broken |2.4.C.1a| | 35 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Rear brake application uneven | 35 |
| Offside Front coil spring fractured |2.4.C.1a| | 34 |
| Emissions not tested |7.0| | 33 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 32 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 32 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 32 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 31 |
| Windscreen washer not working | 31 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 31 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Headlamp insecure |1.7.3| | 29 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 28 |
| Front brake excessively fluctuating | 28 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Offside Rear coil spring broken |2.4.C.1a| | 27 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 27 |
| Nearside Front coil spring broken |2.4.C.1a| | 26 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 25 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Centre Stop lamp not working |1.2.1b| | 25 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 25 |
| Front brake application uneven | 24 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 24 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Offside Headlamp insecure |1.7.3| | 23 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Windscreen wiper blade insecure | 22 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 21 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 21 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 21 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 21 |
| Exhaust system not adequately supported |7.1.1| | 21 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Front brake disc excessively pitted |3.5.1h| | 21 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 20 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Rear Exhaust system not adequately supported |7.1.1| | 19 |
| Offside front brake binding |3.7.B.1| | 19 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Battery insecure |1.9.1| | 18 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 18 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 17 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 17 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 17 |
| Nearside Side repeater not working |1.4.A.2c| | 17 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 17 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 17 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 16 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Rear fog lamp not working |1.3.2b| | 15 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 15 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 15 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 14 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 14 |
| Rear Mechanical brake component has restricted free movement | 14 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 14 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 14 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 13 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Anti-lock braking system warning lamp indicates an ABS fault | 13 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 13 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Stop lamp not working |1.2.1b| | 12 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 12 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 12 |
| Front brake disc excessively pitted |3.5.1h| | 12 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 12 |
| Front Exhaust system not adequately supported |7.1.1| | 12 |
| Offside Front front brake binding |3.7.B.1| | 12 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 12 |