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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 current (PWM type)
  • Faulty DSIS circuit.
  • Faulty DSIS.
  • Faulty SRSCM.
Enable Conditions
  • Ignition "ON"
Threshold Value
  • SIS front-Driver short, open
Diagnostic Time Qualification
  • More than 1 sec
De-Qualification
  • More than 2 sec
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