| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2462 |
| Brake pipe excessively corroded | 1846 |
| Brake hose excessively deteriorated | 1745 |
| Headlamp aim out of alignment | 1705 |
| Windscreen wiper does not clear the windscreen effectively | 943 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 612 |
| Registration plate issues | 482 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 459 |
| Offside Stop lamp not working |1.2.1b| | 448 |
| Nearside Stop lamp not working |1.2.1b| | 425 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 412 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 364 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 359 |
| Parking brake: efficiency below requirements |3.7.B.7| | 351 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 351 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 339 |
| Brakes imbalanced across an axle | 334 |
| Centre Exhaust system not adequately supported |7.1.1| | 290 |
| Offside Front coil spring incomplete |2.4.C.1a| | 253 |
| Anti-lock braking system warning lamp indicates an ABS fault | 221 |
| Offside Front coil spring fractured |2.4.C.1a| | 209 |
| Nearside Rear Stop lamp not working |1.2.1b| | 207 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 198 |
| Rear parking brake recording little or no effort | 194 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 190 |
| Offside Rear Stop lamp not working |1.2.1b| | 182 |
| Service brake: efficiency below requirements |3.7.B.7| | 179 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 172 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 167 |
| Nearside Front coil spring fractured |2.4.C.1a| | 164 |
| Front brake disc in such a condition that it is seriously weakened | 159 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 158 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 154 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 153 |
| Offside Headlamp not working on main beam |1.7.5a| | 153 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 151 |
| Exhaust system not adequately supported |7.1.1| | 148 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 147 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 143 |
| Horn not working |1.6.2a| | 138 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 132 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 124 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 120 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 117 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 117 |
| Offside Rear coil spring fractured |2.4.C.1a| | 117 |
| Headlamp switch faulty |1.7.1| | 115 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 108 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 105 |
| Nearside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 101 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 99 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 97 |
| Rear Exhaust system not adequately supported |7.1.1| | 94 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 91 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 91 |
| Rear brake binding | 90 |
| Front brake application uneven | 88 |
| Offside Front coil spring broken |2.4.C.1a| | 87 |
| Brake hose damaged | 87 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 86 |
| Windscreen has damage | 85 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 85 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 82 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 81 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 79 |
| Offside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 78 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 78 |
| Parking brake lever has no reserve travel |3.1.6b| | 78 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 77 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 74 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 73 |
| Nearside Headlamp not working on main beam |1.7.5a| | 72 |
| Nearside Front coil spring broken |2.4.C.1a| | 68 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 67 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 66 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 66 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 65 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 64 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 63 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 60 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 60 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 59 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 59 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 58 |
| Windscreen wiper blade insecure | 57 |
| Centre Exhaust mounting missing |7.1.1b| | 57 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 56 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 54 |
| Emissions not tested |7.0| | 54 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 53 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 52 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 50 |
| Offside Front coil spring cracked |2.4.C.1a| | 50 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 50 |
| Offside Rear fog lamp not working |1.3.2b| | 49 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 49 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 48 |
| Fuel system component leaking |7.2.3| | 48 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 47 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 47 |
| Nearside Rear coil spring broken |2.4.C.1a| | 45 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 45 |
| Offside Rear coil spring broken |2.4.C.1a| | 44 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 44 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 44 |
| Nearside Rear Radius arm has excessive play in a pin/bearing |2.4.G.2| | 43 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 43 |
| Bonnet cannot be secured in the closed position |8.4.1| | 42 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 41 |
| Power steering inoperative |2.3.3a| | 41 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 40 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| Offside Rear Radius arm has excessive play in a pin/bearing |2.4.G.2| | 38 |
| Nearside Headlamp insecure |1.7.3| | 37 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 36 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 36 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 36 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 36 |
| Offside Headlamp insecure |1.7.3| | 36 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 35 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 35 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 34 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 33 |
| Exhaust mounting missing |7.1.1b| | 33 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 33 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 32 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 32 |
| Nearside front brake juddering severely |3.7.A.2b| | 32 |
| Rear brake application uneven | 32 |
| Brake pedal spongy |3.3.B.1b| | 31 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 31 |
| Nearside Front coil spring cracked |2.4.C.1a| | 31 |
| Offside Front Macpherson strut fractured |2.4.G.1| | 30 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 30 |
| Front brake excessively fluctuating | 30 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 29 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 29 |
| Nearside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Indicator switch faulty |1.4.A.1| | 28 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 28 |