MOT cost .

Failure category

Suspension

Springs, bushes, ball joints, sub-frame corrosion, shock absorbers. The category most likely to need a lift to diagnose, never a quick DIY fix.

Defect codes

53

Total fails

2,811,579

Defect codes in this category, ranked.

Sorted by total cars affected last year. Click any row for the full defect description plus the models most at risk.

  1. 01

    A spring or spring component fractured or seriously weakened

    407 models affected

    878,452
  2. 02

    A suspension pin, bush or joint excessively worn

    370 models affected

    405,437
  3. 03

    A suspension pin, bush or joint excessively worn

    402 models affected

    401,214
  4. 04

    A suspension joint dust cover severely deteriorated

    334 models affected

    294,530
  5. 05

    The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired

    296 models affected

    210,453
  6. 06

    A shock absorber damaged to the extent that it does not function or showing signs of severe leakage

    292 models affected

    173,656
  7. 07

    A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

    120 models affected

    118,776
  8. 08

    A suspension joint dust cover severely deteriorated

    123 models affected

    85,601
  9. 09

    A suspension pin, bush or joint excessively worn

    137 models affected

    82,238
  10. 10

    A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

    86 models affected

    45,786
  11. 11

    A shock absorber bush excessively worn

    35 models affected

    39,845
  12. 12

    A stub axle swivel pin and/or bush excessively worn

    5 models affected

    24,639
  13. 13

    A suspension pin, bush or joint excessively worn

    31 models affected

    15,098
  14. 14

    A suspension joint dust cover severely deteriorated

    25 models affected

    12,504
  15. 15

    A suspension pin, bush or joint excessively worn

    25 models affected

    8,387
  16. 16

    A shock absorber not functioning or leaking severely

    275 models affected

    6,672
  17. 17

    A spring or spring component fractured or seriously weakened

    3 models affected

    1,784
  18. 18

    A suspension joint dust cover severely deteriorated

    6 models affected

    1,315
  19. 19

    A suspension component excessively damaged or corroded

    7 models affected

    1,126
  20. 20

    A shock absorber not functioning or leaking severely

    56 models affected

    909
  21. 21

    A suspension component excessively damaged or corroded

    7 models affected

    660
  22. 22

    A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

    3 models affected

    570
  23. 23

    The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired

    3 models affected

    515
  24. 24

    A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

    15 models affected

    514
  25. 25

    A suspension component fractured or likely to fail

    6 models affected

    244
  26. 26

    A suspension pin, bush or joint likely to become detached

    16 models affected

    158
  27. 27

    A suspension joint dust cover severely deteriorated

    6 models affected

    105
  28. 28

    A suspension pin, bush or joint excessively worn

    11 models affected

    82
  29. 29

    The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired

    3 models affected

    64
  30. 30

    A suspension pin, bush or joint excessively worn

    2 models affected

    47
  31. 31

    A suspension pin, bush or joint excessively worn

    5 models affected

    42
  32. 32

    A suspension component missing, likely to become detached or directional stability impaired

    1 models affected

    24
  33. 33

    A shock absorber bush excessively worn

    3 models affected

    22
  34. 34

    A suspension pin, bush, joint or bearing excessively worn

    2 models affected

    18
  35. 35

    A suspension component excessively damaged or corroded

    1 models affected

    15
  36. 36

    A spring or spring component fractured or seriously weakened

    4 models affected

    13
  37. 37

    A suspension pin, bush or joint excessively worn

    3 models affected

    11
  38. 38

    A suspension pin, bush or joint excessively worn

    1 models affected

    9
  39. 39

    A suspension pin, bush or joint excessively worn

    3 models affected

    8
  40. 40

    A suspension pin, bush or joint excessively worn

    1 models affected

    7
  41. 41

    A suspension pin, bush or joint likely to become detached

    3 models affected

    6
  42. 42

    A suspension pin, bush or joint excessively worn

    1 models affected

    4
  43. 43

    A shock absorber which has negligible damping effect

    1 models affected

    3
  44. 44

    A suspension pin, bush or joint likely to become detached

    1 models affected

    2
  45. 45

    A shock absorber insecurely attached to chassis or axle

    1 models affected

    2
  46. 46

    A shock absorber missing or likely to become detached

    1 models affected

    2
  47. 47

    A suspension component excessively damaged or corroded

    1 models affected

    2
  48. 48

    A suspension pin, bush or joint excessively worn

    1 models affected

    2
  49. 49

    A stub axle swivel pin and/or bush insecure or directional stability is impaired

    1 models affected

    2
  50. 50

    A suspension pin, bush or joint excessively worn

    1 models affected

    1
  51. 51

    A suspension component insecurely attached to chassis or axle

    1 models affected

    1
  52. 52

    A suspension pin, bush or joint excessively worn

    1 models affected

    1
  53. 53

    A suspension component insecurely attached

    1 models affected

    1

Brands most affected.

Total category-fails across each manufacturer's tested fleet. High-volume brands naturally lead — read alongside their model pass-rates.