| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 5534 |
| Headlamp aim out of alignment | 4888 |
| Brake pipe excessively corroded | 4024 |
| Rear parking brake recording little or no effort | 3534 |
| Windscreen wiper does not clear the windscreen effectively | 2597 |
| Registration plate lamp issues | 1910 |
| Service brake: efficiency below requirements |3.7.B.7| | 1433 |
| Rear brake binding | 1428 |
| Offside Stop lamp not working |1.2.1b| | 1131 |
| Nearside Stop lamp not working |1.2.1b| | 1089 |
| Brakes imbalanced across an axle | 1056 |
| Horn not working |1.6.2a| | 1039 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 976 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 970 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 901 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 900 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 848 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 622 |
| Parking brake lever has no reserve travel |3.1.6b| | 620 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 579 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 572 |
| Nearside Side repeater not working |1.4.A.2c| | 560 |
| Offside Side repeater not working |1.4.A.2c| | 542 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 502 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 484 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 481 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 469 |
| Emissions not tested |7.0| | 469 |
| Nearside Rear Stop lamp not working |1.2.1b| | 451 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 448 |
| Offside Rear Stop lamp not working |1.2.1b| | 443 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 434 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 433 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 428 |
| Registration plate issues | 407 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 402 |
| Brake hose excessively deteriorated | 379 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 363 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 362 |
| Rear brake application uneven | 355 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 352 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 351 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 342 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 323 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 319 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 316 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 306 |
| Offside Rear Brake back plate|s| securing device excessively deteriorated |3.5.1j| | 301 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 292 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 285 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 271 |
| Offside Front brake disc excessively pitted |3.5.1h| | 263 |
| Nearside Rear Brake back plate|s| securing device excessively deteriorated |3.5.1j| | 261 |
| Offside Headlamp insecure |1.7.3| | 258 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 248 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 239 |
| Front brake disc in such a condition that it is seriously weakened | 236 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 236 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 226 |
| Rear Mechanical brake component has restricted free movement | 220 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 205 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 203 |
| Offside front brake binding |3.7.B.1| | 202 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 194 |
| Offside Front Side repeater not working |1.4.A.2c| | 194 |
| Windscreen has damage | 192 |
| Windscreen wiper blade insecure | 181 |
| Rear Exhaust system not adequately supported |7.1.1| | 172 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 168 |
| Offside Rear fog lamp not working |1.3.2b| | 161 |
| Front brake application uneven | 160 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 157 |
| Nearside Front Side repeater not working |1.4.A.2c| | 157 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 154 |
| Hazard warning switch faulty |1.4.B.1d| | 154 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 152 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 150 |
| Fuel tank leaking |7.2.3| | 149 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 148 |
| Nearside Headlamp insecure |1.7.3| | 146 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 143 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 142 |
| Driver`s seat insecure |6.2.A.1| | 133 |
| Direction indicators incorrect colour |1.4.A.2f| | 128 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 125 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 125 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 125 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 118 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 118 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 113 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 113 |
| Offside Front front brake binding |3.7.B.1| | 112 |
| Offside Front Direction indicator not working |1.4.A.2c| | 111 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 111 |
| rear brake recording little or no effort |3.7.B.5a| | 111 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 106 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 106 |
| Stop lamp not working |1.2.1b| | 106 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 105 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 103 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 102 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 102 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 102 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 102 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 98 |
| Front position lamp|s| not working |1.1.A.3b| | 97 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 97 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 97 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 96 |
| Exhaust system not adequately supported |7.1.1| | 95 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 95 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 94 |
| Offside Front Headlamp insecure |1.7.3| | 93 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 91 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 91 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 90 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 85 |
| Nearside front brake binding |3.7.B.1| | 84 |
| Brake performance not tested |3.7.A.1| | 83 |
| Mechanical brake component has restricted free movement | 82 |
| Front Exhaust system not adequately supported |7.1.1| | 80 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 78 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 74 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 74 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 74 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 72 |
| Battery insecure |1.9.1| | 72 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 71 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 71 |
| Centre Exhaust system not adequately supported |7.1.1| | 68 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 66 |
| Offside Headlamp not working on main beam |1.7.5a| | 64 |
| An item not tested |Manual| | 63 |
| Front brake disc excessively pitted |3.5.1h| | 63 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 63 |
| Rear Stop lamp not working |1.2.1b| | 63 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 62 |
| Offside Rear Brake lever has restricted free movement |3.5.1k| | 62 |
| Offside Front coil spring fractured |2.4.C.1a| | 61 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 58 |
| Exhaust engine idle speed too high |7.3.D.1| | 58 |
| Offside Front brake disc excessively scored |3.5.1h| | 57 |
| Offside Rear Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 57 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 56 |
| rear brakes release unevenly |3.7.B.4| | 56 |