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DTC C1222 [DSC/RSC]: Notes

DTC C1222 (DSC/RSC) DETECTION CONDITION AND POSSIBLE CAUSE

DTC C1222 ABS wheel-speed sensor system
DETECTION CONDITION 
  • When the difference in the wheel speed between one tire and the others exceeds 25%.
POSSIBLE CAUSE 
  • A tire of different diameter is installed
  • An incorrect ABS sensor rotor is installed (different number of teeth)
  • DSC/RSC HU/CM malfunction