( TF09E00K801000R7121FAAT00 )
VSA DTC Troubleshooting: 71-21, 71-22, 71-23, 71-24, 71-25, 71-26, 71-27, 71-28, 71-29, 71-2A, 71-2B, 71-2C

DTC 71-21:
 Right-front or Left-rear Different Diameter Tyre Malfunction
DTC 71-22:
 Left-front or Right-rear Different Diameter Tyre Malfunction
DTC 71-23:
 Right-front and Right-rear Different Diameter Tyre Malfunction
DTC 71-24:
 Left-front and Left-rear Different Diameter Tyre Malfunction
DTC 71-25:
 Right-front and Left-front Different Diameter Tyre Malfunction
DTC 71-26:
 Right-rear and Left-rear Different Diameter Tyre Malfunction
DTC 71-27:
 Right-front or Left-rear Different Diameter Tyre Malfunction
DTC 71-28:
 Left-front or Right-rear Different Diameter Tyre Malfunction
DTC 71-29:
 Right-front and Right-rear Different Diameter Tyre Malfunction
DTC 71-2A:
 Left-front and Left-rear Different Diameter Tyre Malfunction
DTC 71-2B:
 Right-front and Left-front Different Diameter Tyre Malfunction
DTC 71-2C:
 Right-rear and Left-rear Different Diameter Tyre Malfunction
NOTE: The DTC will be indicated when the vehicle has a different diameter tyre(s) compared to the other tyres.
DTC
Sectional
Note
71-21
Right-front or left-rear
71-22
Left-front or right-rear
71-23
Right-front and right-rear
71-24
Left-front and left-rear
71-25
Right-front and left-front
71-26
Right-rear and left-rear
71-27
Right-front or left-rear
71-28
Left-front or right-rear
71-29
Right-front and right-rear
71-2A
Left-front and left-rear
71-2B
Right-front and left-front
71-2C
Right-rear and left-rear

  1. Check the tyres for proper inflation and the correct size.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Test-drive the vehicle.
    NOTE: Drive the vehicle on a straight section of road, not on a lift.
  1. Check for DTCs with the HDS.
Is DTC 71-21, 71-22, 71-23, 71-24, 71-25, 71-26, 71-27, 71-28, 71-29, 71-2A, 71-2B, or 71-2C indicated?
YES -
Replace tyres as needed until all their diameters match.■
NO -
Intermittent failure, the system is OK at this time.■