| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 815 |
| Registration plate lamp issues | 554 |
| Windscreen wiper does not clear the windscreen effectively | 371 |
| Parking brake: efficiency below requirements |3.7.B.7| | 167 |
| Nearside Stop lamp not working |1.2.1b| | 159 |
| Offside Stop lamp not working |1.2.1b| | 158 |
| Registration plate issues | 150 |
| Rear brake binding | 147 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 132 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 122 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 114 |
| Rear parking brake recording little or no effort | 97 |
| Brakes imbalanced across an axle | 95 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 94 |
| Rear brake disc in such a condition that it is seriously weakened | 92 |
| Brake pipe excessively corroded | 89 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 78 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 76 |
| Front brake disc in such a condition that it is seriously weakened | 74 |
| Offside Rear Stop lamp not working |1.2.1b| | 69 |
| Nearside Rear Stop lamp not working |1.2.1b| | 66 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 57 |
| Offside Rear fog lamp not working |1.3.2b| | 50 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 50 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 49 |
| Offside Front coil spring broken |2.4.C.1a| | 45 |
| Windscreen has damage | 44 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 44 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 42 |
| Rear fog lamp not working |1.3.2b| | 34 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 33 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 31 |
| Anti-lock braking system warning lamp indicates an ABS fault | 30 |
| Offside Front brake disc excessively pitted |3.5.1h| | 30 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 29 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 29 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Offside Rear coil spring broken |2.4.C.1a| | 26 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 22 |
| Centre Exhaust system not adequately supported |7.1.1| | 22 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 21 |
| Emissions not tested |7.0| | 21 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Brake hose excessively deteriorated | 21 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 20 |
| Rear Exhaust system not adequately supported |7.1.1| | 20 |
| Front brake excessively fluctuating | 20 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 19 |
| Rear Mechanical brake component has restricted free movement | 19 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 19 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 19 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Windscreen wiper blade insecure | 17 |
| Front brake application uneven | 16 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 16 |
| Offside Front Direction indicator not working |1.4.A.2c| | 16 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Horn not working |1.6.2a| | 15 |
| Nearside Front coil spring broken |2.4.C.1a| | 15 |
| Rear brake application uneven | 15 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 14 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Parking brake lever has no reserve travel |3.1.6b| | 14 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 13 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 13 |
| Exhaust system not adequately supported |7.1.1| | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Offside Front coil spring incomplete |2.4.C.1a| | 12 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 12 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 11 |
| Brake hose damaged | 11 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 11 |
| Rear fog lamp tell tale not working |1.3.1b| | 11 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 11 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 11 |