| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5821 |
| Registration plate lamp issues | 4935 |
| Windscreen wiper does not clear the windscreen effectively | 4139 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2839 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2639 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2025 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2022 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1727 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1478 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1208 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1156 |
| Registration plate issues | 1154 |
| Rear parking brake recording little or no effort | 1027 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 846 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 822 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 784 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 753 |
| Offside Stop lamp not working |1.2.1b| | 751 |
| Brake hose excessively deteriorated | 729 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 701 |
| Front brake disc in such a condition that it is seriously weakened | 681 |
| Nearside Stop lamp not working |1.2.1b| | 673 |
| Brakes imbalanced across an axle | 668 |
| Rear brake binding | 589 |
| Brake pipe excessively corroded | 570 |
| Centre Exhaust system not adequately supported |7.1.1| | 541 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 517 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 472 |
| Anti-lock braking system warning lamp indicates an ABS fault | 463 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 462 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 434 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 430 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 426 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 422 |
| Exhaust system not adequately supported |7.1.1| | 410 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 408 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 399 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 397 |
| Emissions not tested |7.0| | 391 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 382 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 376 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 375 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 372 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 356 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 351 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 349 |
| Rear Exhaust system not adequately supported |7.1.1| | 348 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 341 |
| Offside Rear Stop lamp not working |1.2.1b| | 329 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 325 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 314 |
| Offside Steering rack gaiter split |2.2.D.2d| | 307 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 303 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 302 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 298 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 298 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 296 |
| Nearside Rear Stop lamp not working |1.2.1b| | 288 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 280 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 278 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 274 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 256 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 245 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 242 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 238 |
| Rear brake disc in such a condition that it is seriously weakened | 237 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 227 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 227 |
| Service brake: efficiency below requirements |3.7.B.7| | 223 |
| Windscreen has damage | 223 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 221 |
| Front position lamp|s| not working |1.1.A.3b| | 220 |
| Offside Front brake disc excessively pitted |3.5.1h| | 218 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 208 |
| Nearside Headlamp not working on main beam |1.7.5a| | 197 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 197 |
| Parking brake lever has no reserve travel |3.1.6b| | 194 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 188 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 186 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 184 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 182 |
| Windscreen wiper blade insecure | 181 |
| Offside Rear fog lamp not working |1.3.2b| | 181 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 173 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 169 |
| Horn not working |1.6.2a| | 163 |
| Centre Exhaust mounting missing |7.1.1b| | 163 |
| Bonnet cannot be secured in the closed position |8.4.1| | 156 |
| Front brake application uneven | 155 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 154 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 147 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 147 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 146 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 144 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 141 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 138 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 137 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 136 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 136 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 133 |
| Offside Headlamp not working on main beam |1.7.5a| | 128 |
| Front brake disc excessively pitted |3.5.1h| | 128 |
| Exhaust mounting missing |7.1.1b| | 121 |
| Offside Headlamp insecure |1.7.3| | 116 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 115 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 113 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 112 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 110 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 108 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 107 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 106 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 102 |
| Rear brake application uneven | 102 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 102 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 101 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 100 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 100 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 99 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 98 |
| Nearside Headlamp insecure |1.7.3| | 94 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 93 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 93 |
| Brake hose damaged | 93 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 93 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 91 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 89 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 88 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 87 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 86 |
| Front Exhaust system not adequately supported |7.1.1| | 85 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 85 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 85 |
| Rear Mechanical brake component has restricted free movement | 82 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 82 |