| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 763 |
| Windscreen wiper does not clear the windscreen effectively | 699 |
| Headlamp aim out of alignment | 596 |
| Brake hose excessively deteriorated | 416 |
| Service brake: efficiency below requirements |3.7.B.7| | 356 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 318 |
| Nearside Stop lamp not working |1.2.1b| | 304 |
| Anti-lock braking system warning lamp indicates an ABS fault | 285 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 271 |
| Registration plate issues | 252 |
| Offside Stop lamp not working |1.2.1b| | 228 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 187 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 182 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 170 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 143 |
| Parking brake: efficiency below requirements |3.7.B.7| | 142 |
| Nearside Rear Stop lamp not working |1.2.1b| | 140 |
| Brake pipe excessively corroded | 137 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 132 |
| Rear Fluid suspension has no suspension movement |2.4.D.5| | 124 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 122 |
| Emissions not tested |7.0| | 121 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 118 |
| Brakes imbalanced across an axle | 117 |
| Offside Front Fluid suspension has no suspension movement |2.4.D.5| | 113 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 109 |
| Nearside Front Fluid suspension has no suspension movement |2.4.D.5| | 109 |
| Offside Rear Stop lamp not working |1.2.1b| | 108 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 106 |
| Front Fluid suspension has no suspension movement |2.4.D.5| | 105 |
| Parking brake lever has no reserve travel |3.1.6b| | 93 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 90 |
| Front brake disc in such a condition that it is seriously weakened | 90 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 90 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 89 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 89 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 84 |
| Rear brake binding | 84 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 80 |
| Nearside Rear Fluid suspension has no suspension movement |2.4.D.5| | 79 |
| Offside Rear Fluid suspension has no suspension movement |2.4.D.5| | 78 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 78 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 76 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 69 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 65 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 65 |
| Horn not working |1.6.2a| | 59 |
| Rear brake disc in such a condition that it is seriously weakened | 57 |
| Driver`s seat insecure |6.2.A.1| | 57 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 53 |
| Offside front parking brake recording little or no effort |3.7.B.6a| | 52 |
| Windscreen wiper blade insecure | 49 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 49 |
| Offside front brake binding |3.7.B.1| | 46 |
| Offside Rear fog lamp not working |1.3.2b| | 46 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 46 |
| Rear brake application uneven | 45 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 45 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 44 |
| Windscreen has damage | 43 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 42 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 41 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Rear parking brake recording little or no effort | 36 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 35 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 35 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 35 |
| Nearside front parking brake recording little or no effort |3.7.B.6a| | 33 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 33 |
| Offside Headlamp not working on main beam |1.7.5a| | 33 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 32 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 31 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 31 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 30 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 30 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 30 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 27 |
| Rear Fluid suspension levelling valve leaking |2.4.D.2| | 26 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 26 |
| Nearside front brake binding |3.7.B.1| | 26 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 26 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 25 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 25 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 25 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Mechanical brake component has restricted free movement | 24 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 23 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 23 |
| Brake hose damaged | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 23 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 23 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 23 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 22 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 22 |
| Offside Front Brake cable has wires broken and is significantly weakened |3.5.1b| | 22 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 21 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 21 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 21 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 21 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 20 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 20 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| Fluid suspension has no suspension movement |2.4.D.5| | 20 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 20 |
| Fuel system component leaking |7.2.3| | 20 |
| Spare wheel carrier insecure |6.4.2| | 20 |
| Rear brake disc excessively pitted |3.5.1h| | 20 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Stop lamp not working |1.2.1b| | 20 |
| Offside Front Anti-lock braking system component excessively damaged |3.4.2| | 20 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 20 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 19 |
| Offside Rear Fluid suspension unit leaking |2.4.D.2| | 19 |
| Offside Front front brake binding |3.7.B.1| | 19 |
| Nearside Side repeater not working |1.4.A.2c| | 19 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Offside Side repeater not working |1.4.A.2c| | 18 |
| Front brake application uneven | 18 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Centre Exhaust system not adequately supported |7.1.1| | 17 |
| Nearside Front Fluid suspension leaking |2.4.D.2| | 17 |
| Nearside Front Fluid suspension pipe leaking |2.4.D.2| | 17 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Nearside Headlamp not working on main beam |1.7.5a| | 17 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 17 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 16 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 16 |
| Side repeater incorrect colour |1.4.A.2f| | 16 |
| rear brake recording little or no effort |3.7.B.5a| | 16 |
| Battery insecure |1.9.1| | 16 |
| Nearside Front Anti-lock braking system component excessively damaged |3.4.2| | 16 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 15 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 15 |
| Indicator switch faulty |1.4.A.1| | 15 |
| Offside Front brake disc excessively pitted |3.5.1h| | 15 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 15 |