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

DTC U0452 86 DETECTION CONDITIONS AND POSSIBLE CAUSES (DYNAMIC STABILITY CONTROL)

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