| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 8031 |
| Headlamp aim out of alignment | 7404 |
| Windscreen wiper does not clear the windscreen effectively | 7190 |
| Brake pipe excessively corroded | 3754 |
| Rear brake binding | 2127 |
| Brakes imbalanced across an axle | 1940 |
| Front brake disc in such a condition that it is seriously weakened | 1624 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1374 |
| Offside Stop lamp not working |1.2.1b| | 1348 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1331 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1286 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1143 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1123 |
| Nearside Stop lamp not working |1.2.1b| | 1117 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1034 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1011 |
| Registration plate issues | 996 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 914 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 850 |
| Parking brake: efficiency below requirements |3.7.B.7| | 812 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 799 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 771 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 737 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 718 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 701 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 653 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 591 |
| Hazard warning switch faulty |1.4.B.1d| | 578 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 568 |
| Rear parking brake recording little or no effort | 567 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 562 |
| Offside Rear Stop lamp not working |1.2.1b| | 538 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 513 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 495 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 495 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 495 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 459 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 437 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 433 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 429 |
| Nearside Rear Stop lamp not working |1.2.1b| | 420 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 406 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 402 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 372 |
| Offside Front Position lamp not working |4.2.1 |a|| | 362 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 362 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 342 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 338 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 319 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 311 |
| Anti-lock braking system warning lamp indicates an ABS fault | 301 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 299 |
| Parking brake lever has no reserve travel |3.1.6b| | 291 |
| Rear Mechanical brake component has restricted free movement | 291 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 289 |
| Emissions not tested (8.2.1.2 (d)) | 283 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 280 |
| Front brake excessively fluctuating | 280 |
| Rear Exhaust system not adequately supported |7.1.1| | 279 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 278 |
| Hazard warning lamps inoperative |1.4.B.1b| | 276 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 276 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 274 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 269 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 259 |
| Windscreen washer not working | 258 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 257 |
| Offside Rear Shock absorbers has a serious fluid leak | 253 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 237 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 237 |
| Horn not working |1.6.2a| | 234 |
| Front brake application uneven | 225 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 217 |
| Rear brake application uneven | 214 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 209 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 201 |
| Indicator switch faulty |1.4.A.1| | 196 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 192 |
| Nearside Rear Shock absorbers has a serious fluid leak | 192 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 190 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 189 |
| Nearside Rear Outer Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 188 |
| Exhaust system not adequately supported |7.1.1| | 187 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 186 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 184 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 183 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 181 |
| Windscreen wiper blade insecure | 179 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 177 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 177 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 176 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 173 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 173 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 170 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 169 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 168 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 166 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 162 |