FixVault

DTC U0401:00 [Dynamic Stability Control (DSC)]: Notes

DTC U0401:00 Abnormal message from PCM
DETECTION CONDITION 
  • Correct data cannot be received from PCM
FAIL-SAFE FUNCTION 
  • Illuminates the TCS/DSC indicator light.
  • Inhibits the TCS (engine control) and DSC controls.
POSSIBLE CAUSE 
  • PCM malfunction
SYSTEM WIRING DIAGRAM  -