| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 734 |
| Windscreen wiper does not clear the windscreen effectively | 661 |
| Registration plate lamp issues | 622 |
| Brake pipe excessively corroded | 467 |
| Parking brake: efficiency below requirements |3.7.B.7| | 369 |
| Rear parking brake recording little or no effort | 306 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 227 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 196 |
| Brakes imbalanced across an axle | 177 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 174 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 169 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 169 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 165 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 163 |
| Nearside Stop lamp not working |1.2.1b| | 162 |
| Offside Stop lamp not working |1.2.1b| | 160 |
| Registration plate issues | 160 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 159 |
| Windscreen has damage | 153 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 147 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 139 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 128 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 126 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 122 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 117 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 111 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 104 |
| Battery insecure |1.9.1| | 99 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 95 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 94 |
| Front brake disc in such a condition that it is seriously weakened | 92 |
| Offside Rear coil spring broken |2.4.C.1a| | 89 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 89 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 86 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 86 |
| Offside Front coil spring broken |2.4.C.1a| | 85 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 83 |
| Rear brake binding | 73 |
| Nearside Rear coil spring broken |2.4.C.1a| | 73 |
| Nearside Front coil spring broken |2.4.C.1a| | 72 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 66 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 66 |
| Nearside Rear Stop lamp not working |1.2.1b| | 65 |
| Offside Rear Stop lamp not working |1.2.1b| | 64 |
| Parking brake lever has no reserve travel |3.1.6b| | 63 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 62 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 62 |
| Horn not working |1.6.2a| | 62 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 60 |
| Offside Front coil spring incomplete |2.4.C.1a| | 60 |
| Offside Rear fog lamp not working |1.3.2b| | 59 |
| Emissions not tested |7.0| | 59 |
| Rear brake application uneven | 58 |
| Offside Front Direction indicator not working |1.4.A.2c| | 56 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 53 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 52 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 50 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 49 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 48 |
| Offside Rear coil spring fractured |2.4.C.1a| | 47 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 46 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 46 |
| Service brake: efficiency below requirements |3.7.B.7| | 45 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 45 |
| 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| | 44 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 44 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 42 |
| 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| | 42 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 42 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 42 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 40 |
| Brake load sensing valve seized |3.6.E.3| | 40 |
| Brake load sensing valve linkage seized |3.6.E.3| | 38 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 38 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 37 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 37 |
| 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| | 36 |
| Offside Front coil spring fractured |2.4.C.1a| | 36 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 32 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 32 |
| Offside 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| | 32 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 31 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Offside Steering rack gaiter split |2.2.D.2d| | 30 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 30 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 30 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 29 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 28 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 28 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 28 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 28 |
| Nearside Front coil spring fractured |2.4.C.1a| | 28 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 28 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Indicator switch faulty |1.4.A.1| | 27 |
| Windscreen wiper blade insecure | 27 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 26 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 26 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 26 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 25 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Offside Headlamp insecure |1.7.3| | 25 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 24 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 24 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 24 |
| Nearside Headlamp insecure |1.7.3| | 24 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 23 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 23 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 23 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 22 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Brake hose excessively deteriorated | 22 |
| Front brake application uneven | 21 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 21 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 21 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 21 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 20 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 20 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 20 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 20 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 19 |
| Rear Brake load sensing valve seized |3.6.E.3| | 19 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Fuel cap/sealing device missing |7.2.4a| | 18 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 18 |
| Emissions not tested |7.3.A.1| | 18 |
| Fuel system component leaking |7.2.3| | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 18 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 18 |
| Offside Headlamp not working on main beam |1.7.5a| | 18 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 18 |
| Windscreen washer not working | 17 |
| Nearside Outer Front constant velocity joint is insecure |2.5.C.1b| | 17 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 17 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 17 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 16 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 16 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 16 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 16 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 16 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 16 |
| Offside Front Headlamp insecure |1.7.3| | 16 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 16 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 15 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 15 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 14 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 14 |
| Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 14 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 14 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 14 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 14 |