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

WARNING: This page is about a different car, the 2014 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
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
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