| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1143 |
| Windscreen wiper does not clear the windscreen effectively | 1099 |
| Brake pipe excessively corroded | 597 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 290 |
| Registration plate lamp issues | 258 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 257 |
| Parking brake: efficiency below requirements |3.7.B.7| | 248 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 243 |
| Registration plate issues | 243 |
| Nearside Headlamp not working on main beam |1.7.5a| | 242 |
| Parking brake lever has no reserve travel |3.1.6b| | 179 |
| Brake hose excessively deteriorated | 166 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 165 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 138 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 131 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 128 |
| Nearside Stop lamp not working |1.2.1b| | 128 |
| Rear parking brake recording little or no effort | 128 |
| Offside Stop lamp not working |1.2.1b| | 128 |
| Brakes imbalanced across an axle | 113 |
| Offside Rear fog lamp not working |1.3.2b| | 84 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 79 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 79 |
| Anti-lock braking system warning lamp indicates an ABS fault | 77 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 74 |
| Rear fog lamp not working |1.3.2b| | 68 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 66 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 60 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 58 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 58 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 58 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 57 |
| Offside Front Position lamp not working |4.2.1 |a|| | 56 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 55 |
| Windscreen has damage | 50 |
| Rear brake disc in such a condition that it is seriously weakened | 50 |
| Nearside Rear Stop lamp not working |1.2.1b| | 50 |
| Main beam `tell-tale` not working |1.7.4c| | 47 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 46 |
| Offside Rear Stop lamp not working |1.2.1b| | 46 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 45 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 43 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 41 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 37 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 37 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 37 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 36 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 35 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 33 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 33 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 32 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 32 |
| Windscreen washer not working | 31 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 31 |
| Headlamp levelling device obviously defective |1.7.2| | 30 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 30 |
| Windscreen wiper blade insecure | 30 |
| Offside Front coil spring broken |2.4.C.1a| | 28 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 28 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 27 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 26 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 26 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 26 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| Horn not working |1.6.2a| | 25 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 24 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 24 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Headlamp levelling device inoperative |1.7.2| | 23 |
| Front brake disc in such a condition that it is seriously weakened | 23 |
| Headlamp cleaning device inoperative |1.7.2| | 23 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |