| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 3529 |
| Brake pipe excessively corroded | 2152 |
| Rear parking brake recording little or no effort | 1684 |
| Headlamp aim out of alignment | 1676 |
| Windscreen wiper does not clear the windscreen effectively | 1389 |
| Service brake: efficiency below requirements |3.7.B.7| | 1097 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1044 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1023 |
| Brakes imbalanced across an axle | 986 |
| Registration plate lamp issues | 724 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 658 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 647 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 624 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 560 |
| Parking brake lever has no reserve travel |3.1.6b| | 485 |
| Nearside Stop lamp not working |1.2.1b| | 457 |
| Offside Stop lamp not working |1.2.1b| | 446 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 416 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 412 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 406 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 403 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 401 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 396 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 385 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 363 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 336 |
| Registration plate issues | 331 |
| Rear brake binding | 325 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 322 |
| Emissions not tested |7.0| | 299 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 287 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 280 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 277 |
| Front brake disc in such a condition that it is seriously weakened | 240 |
| Windscreen has damage | 239 |
| Front brake application uneven | 234 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 216 |
| Offside Rear Stop lamp not working |1.2.1b| | 214 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 213 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 211 |
| Nearside Rear Stop lamp not working |1.2.1b| | 200 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 191 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 191 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 187 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 172 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 169 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 167 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 166 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 160 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 156 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 155 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 155 |
| Anti-lock braking system warning lamp indicates an ABS fault | 153 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 147 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 130 |
| Offside Rear fog lamp not working |1.3.2b| | 129 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 127 |
| Offside front brake binding |3.7.B.1| | 125 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 122 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 117 |
| Brake pedal spongy |3.3.B.1b| | 115 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 111 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 110 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 108 |
| Fuel tank leaking |7.2.3| | 106 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 99 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 98 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 95 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 94 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 93 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 92 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 89 |
| Rear brake application uneven | 88 |
| Offside Front front brake binding |3.7.B.1| | 87 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 86 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 85 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 85 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 82 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 81 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 80 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 80 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 80 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 75 |
| Windscreen wiper blade insecure | 75 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 74 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 74 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 73 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 73 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 70 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 68 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 67 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 66 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 62 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 62 |
| Horn not working |1.6.2a| | 61 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 59 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 59 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 58 |
| Rear brake disc in such a condition that it is seriously weakened | 56 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 56 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 56 |
| Direction indicators incorrect colour |1.4.A.2f| | 56 |
| rear brake recording little or no effort |3.7.B.5a| | 55 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 55 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 54 |
| Rear Exhaust system not adequately supported |7.1.1| | 53 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 53 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 51 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 51 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 46 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 44 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 43 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 41 |
| Exhaust engine idle speed too high |7.3.D.1| | 40 |
| Rear Mechanical brake component has restricted free movement | 40 |
| Mechanical brake component has restricted free movement | 39 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 37 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Nearside front brake binding |3.7.B.1| | 37 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 37 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 35 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 35 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 35 |