| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 577 |
| Registration plate lamp issues | 516 |
| Windscreen wiper does not clear the windscreen effectively | 389 |
| Parking brake: efficiency below requirements |3.7.B.7| | 376 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 303 |
| Rear parking brake recording little or no effort | 227 |
| Brake pipe excessively corroded | 201 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 178 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 175 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 169 |
| Registration plate issues | 163 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 152 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 149 |
| Brake hose excessively deteriorated | 142 |
| Offside Stop lamp not working |1.2.1b| | 137 |
| Brakes imbalanced across an axle | 134 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 131 |
| Nearside Stop lamp not working |1.2.1b| | 127 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 112 |
| Anti-lock braking system warning lamp indicates an ABS fault | 104 |
| Rear brake binding | 95 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 92 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 85 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 70 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 58 |
| Nearside Rear Stop lamp not working |1.2.1b| | 55 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 48 |
| Offside Rear Stop lamp not working |1.2.1b| | 45 |
| Parking brake lever has no reserve travel |3.1.6b| | 42 |
| Nearside Side repeater not working |1.4.A.2c| | 41 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 39 |
| Front brake disc in such a condition that it is seriously weakened | 37 |
| Rear brake disc in such a condition that it is seriously weakened | 34 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 34 |
| Offside Side repeater not working |1.4.A.2c| | 34 |
| Offside front brake binding |3.7.B.1| | 34 |
| Offside Rear fog lamp not working |1.3.2b| | 33 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 33 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 32 |
| Windscreen has damage | 31 |
| Emissions not tested |7.0| | 31 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 29 |
| Rear brake application uneven | 29 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 28 |
| Front brake application uneven | 28 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 28 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 27 |
| Windscreen wiper blade insecure | 27 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Nearside front brake binding |3.7.B.1| | 27 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 23 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 22 |
| Fuel system component leaking |7.2.3| | 22 |
| Rear Mechanical brake component has restricted free movement | 22 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Battery insecure |1.9.1| | 20 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 19 |
| Nearside Headlamp insecure |1.7.3| | 19 |
| Brake hose damaged | 19 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 19 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 19 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 18 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Front front brake binding |3.7.B.1| | 17 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 17 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 16 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 16 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 16 |
| Offside Front front brake binding |3.7.B.1| | 16 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Front position lamp|s| not working |1.1.A.3b| | 15 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 15 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Front Side repeater not working |1.4.A.2c| | 15 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Mechanical brake component has restricted free movement | 14 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 14 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 14 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 13 |
| Offside Headlamp insecure |1.7.3| | 13 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 12 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 12 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 12 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 12 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 12 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Offside Front Side repeater not working |1.4.A.2c| | 12 |
| Power steering malfunctioning |2.3.3a| | 12 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 12 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 11 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 11 |
| Nearside Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Horn not working |1.6.2a| | 10 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 10 |
| Service brake: efficiency below requirements |3.7.B.7| | 10 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 10 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Centre Stop lamp not working |1.2.1b| | 9 |
| Rear brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 9 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Obligatory mirror insecure |8.1.1| | 9 |
| Offside Headlamp not working on main beam |1.7.5a| | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |