FixVault

DTC U0452-86; Abnormal Message From SAS Control Module: Notes

DETECTION CONDITION & POSSIBLE CAUSE

DTC U0452:86 Abnormal message from SAS control module
DETECTION CONDITION
  • Correct data cannot be received from SAS control module
FAIL-SAFE FUNCTION
  • Illuminates the TCS/DSC indicator light, and smart city brake support (SCBS) indicator light (amber) *1*2 .
  • Tire pressure monitoring system warning light *2 illuminates after flashes. (Not illuminated/flashed depending on malfunction content.)
  • Inhibits the TCS *3 , DSC *3 , hill launch assist (HLA) *3 , TPMS *2*3 , and smart city brake support (SCBS) *2*3 controls.
*1 : Not illuminated depending on malfunction content.*2 : If equipped.*3 : Enabled depending on malfunction content.
POSSIBLE CAUSE
  • SAS control module malfunction
SYSTEM WIRING DIAGRAM Not applicable