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DTC C1991 [DSC/RSC]: Notes

DTC C1991 (DSC/RSC) DETECTION CONDITION AND POSSIBLE CAUSE

DTC C1991 DSC/RSC sensor (abnormal initialization) system
DETECTION CONDITION 
  • The DSC/RSC sensor detects that the initialization procedure has not been performed.
POSSIBLE CAUSE 
  • The initialization procedure for the DSC/RSC sensor has not been performed
  • DSC/RSC HU/CM malfunction