| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 413 |
| Windscreen wiper does not clear the windscreen effectively | 269 |
| Registration plate lamp issues | 242 |
| Parking brake: efficiency below requirements |3.7.B.7| | 153 |
| Brakes imbalanced across an axle | 124 |
| Brake pipe excessively corroded | 104 |
| Nearside Stop lamp not working |1.2.1b| | 98 |
| Offside Stop lamp not working |1.2.1b| | 98 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 90 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 82 |
| Horn not working |1.6.2a| | 75 |
| Rear parking brake recording little or no effort | 73 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 69 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 57 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 56 |
| Battery insecure |1.9.1| | 56 |
| Rear brake binding | 54 |
| Offside Rear Stop lamp not working |1.2.1b| | 53 |
| Offside Rear fog lamp not working |1.3.2b| | 49 |
| Registration plate issues | 49 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 45 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 43 |
| Nearside Rear Stop lamp not working |1.2.1b| | 42 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 40 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 40 |
| 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| | 39 |
| Front brake application uneven | 34 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 32 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 32 |
| Rear brake disc in such a condition that it is seriously weakened | 31 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 31 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Front brake disc in such a condition that it is seriously weakened | 28 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 28 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| 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| | 26 |
| Offside Front coil spring broken |2.4.C.1a| | 25 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 23 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Emissions not tested |7.0| | 22 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 21 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 19 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 19 |
| Nearside Front coil spring broken |2.4.C.1a| | 18 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| 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| | 18 |
| Windscreen has damage | 17 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 16 |
| Offside Front coil spring fractured |2.4.C.1a| | 15 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 15 |
| Offside front brake binding |3.7.B.1| | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 14 |
| Rear Exhaust system not adequately supported |7.1.1| | 13 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 13 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 13 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 12 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Power steering fluid level below minimum |2.3.1| | 12 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 12 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 12 |
| Offside Front front brake binding |3.7.B.1| | 12 |
| Rear brake application uneven | 11 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 11 |
| Nearside Front coil spring fractured |2.4.C.1a| | 11 |
| Windscreen wiper blade insecure | 11 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 10 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 9 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 8 |
| Front brake excessively fluctuating | 8 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 8 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Mechanical brake component has restricted free movement | 8 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 8 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Headlamp not working on main beam |1.7.5a| | 8 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 8 |
| Nearside Front front brake binding |3.7.B.1| | 8 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Bonnet cannot be secured in the closed position |8.4.1| | 6 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 6 |
| Fuel system component leaking |7.2.3| | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 6 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 6 |
| Nearside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 6 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 6 |
| Exhaust system not adequately supported |7.1.1| | 6 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 6 |