| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 4566 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 4476 |
| Registration plate lamp issues | 3990 |
| Headlamp aim out of alignment | 3879 |
| Windscreen wiper does not clear the windscreen effectively | 3474 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2287 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2128 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2010 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1394 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1287 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1264 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1247 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1216 |
| Nearside Stop lamp not working |1.2.1b| | 1198 |
| Brakes imbalanced across an axle | 1192 |
| Offside Stop lamp not working |1.2.1b| | 1174 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1156 |
| Rear parking brake recording little or no effort | 1081 |
| Service brake: efficiency below requirements |3.7.B.7| | 1025 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 991 |
| Registration plate issues | 955 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 904 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 852 |
| Emissions not tested |7.0| | 838 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 745 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 738 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 702 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 692 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 631 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 606 |
| Parking brake lever has no reserve travel |3.1.6b| | 530 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 516 |
| Offside Rear Stop lamp not working |1.2.1b| | 500 |
| Nearside Rear Stop lamp not working |1.2.1b| | 499 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 498 |
| Offside Rear fog lamp not working |1.3.2b| | 459 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 448 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 445 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 433 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 430 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 397 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 381 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 373 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 372 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 349 |
| Windscreen has damage | 342 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 332 |
| Fuel tank leaking |7.2.3| | 320 |
| Rear brake binding | 317 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 311 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 305 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 304 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 296 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 294 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 293 |
| Front brake application uneven | 292 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 289 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 284 |
| Front brake disc in such a condition that it is seriously weakened | 278 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 269 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 263 |
| Offside front brake binding |3.7.B.1| | 255 |
| Horn not working |1.6.2a| | 235 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 225 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 217 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 207 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 194 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 191 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 185 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 184 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 183 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 176 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 168 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 168 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 167 |
| Offside Front front brake binding |3.7.B.1| | 166 |
| Windscreen wiper blade insecure | 161 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 153 |
| Rear brake application uneven | 142 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 141 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 137 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 135 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 133 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 133 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 130 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 130 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 129 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 123 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 113 |
| Mechanical brake component has restricted free movement | 113 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 112 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 111 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 111 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 110 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 109 |
| Nearside Rear Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 107 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 107 |
| Offside Rear Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 106 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 104 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 103 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 102 |
| Nearside front brake binding |3.7.B.1| | 102 |
| Offside Side repeater not working |1.4.A.2c| | 101 |
| Stop lamp not working |1.2.1b| | 101 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 99 |
| Anti-lock braking system warning lamp indicates an ABS fault | 99 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 94 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 93 |
| Nearside Rear Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3| | 89 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 89 |
| Offside Rear Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3| | 88 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 87 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 84 |