| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 949 |
| Windscreen wiper does not clear the windscreen effectively | 936 |
| Brake pipe excessively corroded | 515 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 287 |
| Parking brake: efficiency below requirements |3.7.B.7| | 273 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 266 |
| Nearside Headlamp not working on main beam |1.7.5a| | 260 |
| Registration plate issues | 248 |
| Parking brake lever has no reserve travel |3.1.6b| | 240 |
| Registration plate lamp issues | 225 |
| Rear parking brake recording little or no effort | 148 |
| Nearside Stop lamp not working |1.2.1b| | 132 |
| Brakes imbalanced across an axle | 128 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 106 |
| Offside Stop lamp not working |1.2.1b| | 102 |
| Anti-lock braking system warning lamp indicates an ABS fault | 99 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 92 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 91 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 91 |
| Fuel system component leaking |7.2.3| | 84 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 83 |
| Rear brake disc in such a condition that it is seriously weakened | 83 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 80 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 80 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 80 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 76 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 73 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 72 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 67 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 61 |
| Front brake excessively fluctuating | 58 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 58 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 57 |
| Rear fog lamp not working |1.3.2b| | 53 |
| Windscreen has damage | 52 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 50 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 50 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 47 |
| Offside Rear fog lamp not working |1.3.2b| | 47 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 46 |
| Nearside Rear Stop lamp not working |1.2.1b| | 44 |
| Main beam `tell-tale` not working |1.7.4c| | 44 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 43 |
| Front brake disc in such a condition that it is seriously weakened | 43 |
| Windscreen wiper blade insecure | 42 |
| Offside Rear Stop lamp not working |1.2.1b| | 40 |
| Horn not working |1.6.2a| | 39 |
| Offside Front Position lamp not working |4.2.1 |a|| | 39 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 38 |
| Brake hose excessively deteriorated | 35 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 35 |
| Front brake application uneven | 33 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 33 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 32 |
| Offside Headlamp not working on main beam |1.7.5a| | 31 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 31 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 31 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 31 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 30 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 29 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 27 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 26 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 25 |
| Offside Front coil spring broken |2.4.C.1a| | 25 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 24 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 24 |
| rear parking |secondary| brakes imbalanced | 22 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| 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| | 21 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 21 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 20 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 20 |
| Rear Exhaust system not adequately supported |7.1.1| | 20 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |