FixVault

DTC B1409: SIS (Side Impact Sensor) Front-Driver Communication Error: DTC Detecting Condition

B1409 SIS (SIDE IMPACT SENSOR) FRONT-DRIVER COMMUNICATION ERROR

Item Detecting Condition Possible cause
DTC Strategy
  • Check Data
  • Faulty DSIS circuit.
  • Faulty DSIS.
  • Faulty SRSCM.
Enable Conditions
  • Ignition "ON"
Threshold Value
  • DSIS no acceleration data, and line voltage is OK (between 3V and 11V)
Diagnostic Time Qualification
  • 1 time
De-Qualification
  • 1 time