| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12562 |
| Registration plate lamp issues | 12265 |
| Brake pipe excessively corroded | 11111 |
| Windscreen wiper does not clear the windscreen effectively | 8884 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4712 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 4551 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4096 |
| Registration plate issues | 3628 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 2751 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2738 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2642 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2482 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2455 |
| Nearside Stop lamp not working |1.2.1b| | 1926 |
| Offside Stop lamp not working |1.2.1b| | 1910 |
| Rear parking brake recording little or no effort | 1590 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1510 |
| Brakes imbalanced across an axle | 1475 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1377 |
| Rear brake binding | 1376 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1304 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1153 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1115 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1073 |
| Offside Rear Stop lamp not working |1.2.1b| | 1040 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1014 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 884 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 883 |
| Offside Rear fog lamp not working |1.3.2b| | 858 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 857 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 854 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 715 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 686 |
| Rear brake application uneven | 681 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 661 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 651 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 648 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 639 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 606 |
| Emissions not tested |7.0| | 599 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 585 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 561 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 555 |
| Windscreen has damage | 553 |
| Fuel tank leaking |7.2.3| | 537 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 520 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 514 |
| Service brake: efficiency below requirements |3.7.B.7| | 513 |
| Brake hose excessively deteriorated | 512 |
| Front position lamp|s| not working |1.1.A.3b| | 501 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 468 |
| Front brake disc in such a condition that it is seriously weakened | 446 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 444 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 422 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 419 |
| Parking brake lever has no reserve travel |3.1.6b| | 418 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 415 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 412 |
| Windscreen wiper blade insecure | 404 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 399 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 392 |
| Centre Stop lamp not working |1.2.1b| | 377 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 357 |
| Horn not working |1.6.2a| | 350 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 341 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 340 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 339 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 335 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 333 |
| Indicator switch faulty |1.4.A.1| | 302 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 296 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 280 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 275 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 267 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 265 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 262 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 261 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 249 |
| Front brake application uneven | 246 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 245 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 244 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 238 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 235 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 233 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 227 |
| Battery insecure |1.9.1| | 227 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 219 |
| Steering rack insecure |2.2.B.1a| | 217 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 216 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 216 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 212 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 210 |
| Front Front position lamp|s| not working |1.1.A.3b| | 210 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 208 |
| Rear Mechanical brake component has restricted free movement | 205 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 200 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 198 |
| Nearside Headlamp insecure |1.7.3| | 193 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 190 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 190 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 186 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 173 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 170 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 169 |