| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7201 |
| Registration plate lamp issues | 5518 |
| Windscreen wiper does not clear the windscreen effectively | 5425 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3343 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2772 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1586 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1518 |
| Brake pipe excessively corroded | 1192 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1183 |
| Offside Stop lamp not working |1.2.1b| | 1179 |
| Registration plate issues | 1032 |
| Nearside Stop lamp not working |1.2.1b| | 990 |
| Brakes imbalanced across an axle | 947 |
| Anti-lock braking system warning lamp indicates an ABS fault | 942 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 900 |
| Rear brake binding | 876 |
| Front brake disc in such a condition that it is seriously weakened | 808 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 794 |
| Rear parking brake recording little or no effort | 790 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 777 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 743 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 660 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 656 |
| Centre Exhaust system not adequately supported |7.1.1| | 635 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 585 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 562 |
| Exhaust system not adequately supported |7.1.1| | 557 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 521 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 495 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 484 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 478 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 466 |
| Brake hose excessively deteriorated | 447 |
| Offside Rear Stop lamp not working |1.2.1b| | 439 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 437 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 433 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 408 |
| Rear Exhaust system not adequately supported |7.1.1| | 388 |
| Rear brake disc in such a condition that it is seriously weakened | 382 |
| Nearside Rear Stop lamp not working |1.2.1b| | 379 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 375 |
| Service brake: efficiency below requirements |3.7.B.7| | 366 |
| Nearside Headlamp not working on main beam |1.7.5a| | 343 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 330 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 329 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 327 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 314 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 308 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 302 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 301 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 296 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 294 |
| Emissions not tested |7.0| | 280 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 271 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 265 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 264 |
| Windscreen has damage | 262 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 247 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 244 |
| Front position lamp|s| not working |1.1.A.3b| | 241 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 240 |
| Windscreen wiper blade insecure | 237 |
| Offside Front Brake pipe leaking |3.6.A.1| | 228 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 225 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 224 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 220 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 217 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 214 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 213 |
| Offside Rear fog lamp not working |1.3.2b| | 210 |
| Offside Headlamp not working on main beam |1.7.5a| | 205 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 204 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 203 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 202 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 200 |
| Parking brake lever has no reserve travel |3.1.6b| | 194 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 192 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 192 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 191 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 190 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 187 |
| Offside Front brake disc excessively pitted |3.5.1h| | 187 |
| Front brake application uneven | 184 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 181 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 181 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 176 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 172 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 172 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 172 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 165 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 163 |
| Rear Mechanical brake component has restricted free movement | 156 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 156 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 153 |
| Centre Exhaust mounting missing |7.1.1b| | 152 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 152 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 150 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 148 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 147 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 147 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 145 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 145 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 142 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 142 |
| Offside Headlamp insecure |1.7.3| | 140 |
| Rear Brake cable insecure | 136 |
| Nearside Headlamp insecure |1.7.3| | 136 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 134 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 134 |
| Nearside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 134 |
| Rear brake application uneven | 127 |
| Front brake disc excessively pitted |3.5.1h| | 124 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 123 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 123 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 122 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 120 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 119 |
| Exhaust mounting missing |7.1.1b| | 118 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 116 |
| Brake performance not tested |3.7.A.1| | 116 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 113 |
| Battery insecure |1.9.1| | 112 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 109 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 109 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 102 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 101 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 98 |
| Offside Front Braking system leaking |3.6.A.1| | 98 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 97 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 96 |
| Horn not working |1.6.2a| | 95 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 95 |