| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 808 |
| Brake pipe excessively corroded | 775 |
| Parking brake: efficiency below requirements |3.7.B.7| | 587 |
| Headlamp aim out of alignment | 577 |
| Rear parking brake recording little or no effort | 454 |
| Registration plate lamp issues | 349 |
| Brake hose excessively deteriorated | 304 |
| Brakes imbalanced across an axle | 145 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 137 |
| Registration plate issues | 117 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 111 |
| Front Exhaust system not adequately supported |7.1.1| | 109 |
| Rear brake binding | 102 |
| Parking brake lever has no reserve travel |3.1.6b| | 101 |
| Rear brake disc in such a condition that it is seriously weakened | 86 |
| Nearside Stop lamp not working |1.2.1b| | 85 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 73 |
| Offside Stop lamp not working |1.2.1b| | 72 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 70 |
| Front brake disc in such a condition that it is seriously weakened | 65 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 61 |
| Offside Steering rack gaiter split |2.2.D.2d| | 57 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 55 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 54 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 53 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 51 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 49 |
| Offside Rear coil spring broken |2.4.C.1a| | 48 |
| Exhaust system not adequately supported |7.1.1| | 47 |
| Rear fog lamp not working |1.3.2b| | 46 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 45 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 41 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 39 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 38 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 38 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 38 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 38 |
| Offside Rear fog lamp not working |1.3.2b| | 37 |
| Front brake application uneven | 36 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 36 |
| Brake hose damaged | 36 |
| Anti-lock braking system warning lamp indicates an ABS fault | 36 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 34 |
| Nearside Rear Stop lamp not working |1.2.1b| | 34 |
| Service brake: efficiency below requirements |3.7.B.7| | 33 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 33 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Battery insecure |1.9.1| | 30 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 29 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Windscreen wiper blade insecure | 28 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 27 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 26 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 26 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 25 |
| Offside Rear coil spring fractured |2.4.C.1a| | 24 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 24 |
| Nearside Rear coil spring broken |2.4.C.1a| | 24 |
| Offside Rear Stop lamp not working |1.2.1b| | 24 |
| Rear fog lamp switch faulty |1.3.1a| | 24 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 23 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 23 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Windscreen has damage | 22 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 21 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 21 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 20 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 18 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 18 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 17 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 17 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 17 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 17 |
| Front brake excessively fluctuating | 17 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Horn not working |1.6.2a| | 16 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 15 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 15 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 15 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 15 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Nearside Front Brake hose leaking |3.6.A.1| | 14 |
| Rear brake application uneven | 14 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 14 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 14 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 14 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 13 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 13 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 13 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 13 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 13 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 13 |