| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 679 |
| Windscreen wiper does not clear the windscreen effectively | 550 |
| Brakes imbalanced across an axle | 503 |
| Registration plate lamp issues | 373 |
| Service brake: efficiency below requirements |3.7.B.7| | 222 |
| Parking brake: efficiency below requirements |3.7.B.7| | 183 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 175 |
| Offside Stop lamp not working |1.2.1b| | 160 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 143 |
| Nearside Stop lamp not working |1.2.1b| | 132 |
| Offside Rear fog lamp not working |1.3.2b| | 130 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 127 |
| Parking brake lever has no reserve travel |3.1.6b| | 120 |
| Fuel system component insecure |7.2.1| | 118 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 115 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 113 |
| Rear parking brake recording little or no effort | 104 |
| Rear brake application uneven | 98 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 93 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 87 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 86 |
| Rear fog lamp not working |1.3.2b| | 77 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 76 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 73 |
| Driver`s seat insecure |6.2.A.1| | 69 |
| Offside Rear Stop lamp not working |1.2.1b| | 68 |
| Front brake application uneven | 65 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 64 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 64 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 60 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 60 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 58 |
| Registration plate issues | 58 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 55 |
| Front brake disc in such a condition that it is seriously weakened | 55 |
| Centre Exhaust system not adequately supported |7.1.1| | 53 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 50 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 47 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 47 |
| Battery insecure |1.9.1| | 46 |
| Exhaust system not adequately supported |7.1.1| | 40 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 40 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 37 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 37 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 37 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 37 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 36 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 35 |
| Brake pedal spongy |3.3.B.1b| | 33 |
| Rear Exhaust system not adequately supported |7.1.1| | 32 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 31 |
| Nearside Rear Stop lamp not working |1.2.1b| | 31 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 31 |
| Nearside Headlamp insecure |1.7.3| | 31 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 31 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 30 |
| Indicator switch faulty |1.4.A.1| | 30 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 30 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 30 |
| Brake pipe excessively corroded | 29 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 29 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 26 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 26 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 25 |
| Emissions not tested |7.0| | 25 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 25 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Rear brake binding | 25 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 24 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 24 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 24 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 24 |
| Horn not working |1.6.2a| | 23 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 23 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside front brake binding |3.7.B.1| | 22 |
| Nearside front brake binding |3.7.B.1| | 22 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 21 |
| Windscreen wiper blade insecure | 20 |
| Offside Steering rack gaiter missing |2.2.D.2d| | 19 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 19 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Headlamp insecure |1.7.3| | 18 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 18 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Nearside Rear Fuel system component insecure |7.2.1| | 17 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 17 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside Rear Braking system leaking |3.6.A.1| | 15 |
| Windscreen washer not working | 15 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 15 |
| Offside Front front brake binding |3.7.B.1| | 15 |
| Offside Rear Braking system leaking |3.6.A.1| | 14 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 14 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Nearside Front brake disc contaminated by grease |3.5.1h| | 13 |
| rear brake recording little or no effort |3.7.B.5a| | 13 |
| Bonnet retaining device ineffective |8.4.2| | 13 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 13 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 13 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 13 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 12 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 12 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 12 |
| Nearside Front Headlamp insecure |1.7.3| | 12 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 12 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Front brake disc contaminated by grease |3.5.1h| | 12 |
| Offside Front brake disc excessively pitted |3.5.1h| | 12 |
| Windscreen has damage | 11 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 11 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 11 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Offside Front Driver`s seat insecure |6.2.A.1| | 11 |
| Rear Rear fog lamp not working |1.3.2b| | 11 |
| Centre Exhaust mounting missing |7.1.1b| | 11 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Offside Steering rack gaiter split |2.2.D.2d| | 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 |
| Nearside Front front brake binding |3.7.B.1| | 11 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Side repeater not working |1.4.A.2c| | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 10 |
| Nearside Side repeater insecure |1.4.A.2b| | 10 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Front brake excessively fluctuating | 10 |
| Offside Rear Radius arm has excessive play in a pin/bearing |2.4.G.2| | 10 |
| Front position lamp|s| not working |1.1.A.3b| | 10 |