| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 4422 |
| Headlamp aim out of alignment | 3661 |
| Windscreen wiper does not clear the windscreen effectively | 3470 |
| Brakes imbalanced across an axle | 761 |
| Front brake disc in such a condition that it is seriously weakened | 556 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 429 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 391 |
| Centre Stop lamp not working |1.2.1b| | 381 |
| Service brake: efficiency below requirements |3.7.B.7| | 342 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 341 |
| Offside Stop lamp not working |1.2.1b| | 332 |
| Nearside Stop lamp not working |1.2.1b| | 319 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 311 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 309 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 300 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 289 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 284 |
| Windscreen has damage | 282 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 266 |
| Registration plate issues | 264 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 225 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 217 |
| Parking brake lever has no reserve travel |3.1.6b| | 214 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 213 |
| Parking brake: efficiency below requirements |3.7.B.7| | 208 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 203 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 202 |
| Windscreen washer not working | 189 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 184 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 183 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 174 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 172 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 170 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 146 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 145 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 141 |
| Battery insecure |1.9.1| | 137 |
| Rear brake application uneven | 136 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 136 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 135 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 135 |
| Anti-lock braking system warning lamp indicates an ABS fault | 134 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 134 |
| Nearside Rear Stop lamp not working |1.2.1b| | 130 |
| Offside Rear Stop lamp not working |1.2.1b| | 130 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 130 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 128 |
| Rear parking brake recording little or no effort | 124 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 124 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 122 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 121 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 117 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 115 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 113 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 111 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 111 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 110 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 107 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 104 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 102 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 102 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 99 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 98 |
| Windscreen wiper blade insecure | 96 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 96 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 96 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 95 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 94 |
| Rear brake binding | 93 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 91 |
| Front brake excessively fluctuating | 91 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 89 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 88 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 88 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 86 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 85 |
| Fuel system component leaking |7.2.3| | 84 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 84 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 83 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 83 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 83 |
| Front brake application uneven | 81 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 81 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 81 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 80 |
| Spare wheel carrier insecure |6.4.2| | 80 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 79 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 79 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 79 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 79 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 78 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 77 |
| Offside Rear fog lamp not working |1.3.2b| | 76 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 76 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 74 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 74 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 71 |
| Stop lamp not working |1.2.1b| | 69 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 69 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 68 |
| Emissions not tested |7.0| | 68 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 67 |
| Exhaust system not adequately supported |7.1.1| | 67 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 66 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 66 |
| Rear fog lamp not working |1.3.2b| | 65 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 65 |
| Horn not working |1.6.2a| | 64 |
| Centre Rear Stop lamp not working |1.2.1b| | 61 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 61 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 60 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 59 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 59 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 59 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 59 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 57 |
| Offside Rear reflector missing |1.5.1a| | 57 |