| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 424 |
| Parking brake: efficiency below requirements |3.7.B.7| | 397 |
| Windscreen wiper does not clear the windscreen effectively | 308 |
| Headlamp aim out of alignment | 292 |
| Rear parking brake recording little or no effort | 175 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 77 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 75 |
| Nearside Stop lamp not working |1.2.1b| | 65 |
| Brakes imbalanced across an axle | 64 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 64 |
| Centre Stop lamp not working |1.2.1b| | 61 |
| Brake pipe excessively corroded | 59 |
| Offside Stop lamp not working |1.2.1b| | 53 |
| Registration plate issues | 52 |
| Parking brake lever has no reserve travel |3.1.6b| | 51 |
| Rear brake disc in such a condition that it is seriously weakened | 46 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 44 |
| Rear brake binding | 41 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 37 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 36 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 32 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Horn not working |1.6.2a| | 32 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Windscreen has damage | 26 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 26 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 26 |
| Anti-lock braking system warning lamp indicates an ABS fault | 25 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 24 |
| Service brake: efficiency below requirements |3.7.B.7| | 23 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 23 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 22 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 20 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 19 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 19 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 18 |
| Stop lamp not working |1.2.1b| | 18 |
| Hazard warning switch faulty |1.4.B.1d| | 18 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 18 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 17 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 17 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 16 |
| Nearside Rear Stop lamp not working |1.2.1b| | 16 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 16 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 16 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 16 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 16 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 15 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 15 |
| Offside Rear reflector missing |1.5.1a| | 14 |
| Nearside Rear reflector missing |1.5.1a| | 14 |
| Windscreen washer not working | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 13 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Hazard warning lamps inoperative |1.4.B.1b| | 13 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |
| Centre Rear Stop lamp not working |1.2.1b| | 12 |
| Offside front brake binding |3.7.B.1| | 12 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 12 |
| Windscreen wiper blade insecure | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Rear brake application uneven | 11 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 11 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 11 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 11 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 10 |
| 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| | 10 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Rear Mechanical brake component has restricted free movement | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 9 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 9 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Exhaust system not adequately supported |7.1.1| | 9 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 9 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 9 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 9 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 9 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 9 |
| Power steering fluid level below minimum |2.3.1| | 9 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 8 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 8 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| 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| | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Rear Exhaust system not adequately supported |7.1.1| | 7 |
| Nearside Headlamp insecure |1.7.3| | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| 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| | 7 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 7 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 7 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 7 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Brake hose excessively deteriorated | 6 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Headlamp switch faulty |1.7.1| | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Brake hose has insufficient room to move | 6 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Front brake application uneven | 6 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 6 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 6 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 6 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 6 |