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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (On-Board Diagnostic - Two-Step Deployment Control System) >> DTC B00A0-81; B00A0-87: Invalid Signal To SAS Control Module >> Notes
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DTC B00A0-81; B00A0-87: Invalid Signal To SAS Control Module: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location
  • B00A0:81:Invalid signal to SAS control module
  • B00A0:87:Error signal from occupant classification sensor
Detection condition 
WARNING:
  • Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.
  • Error signal is detected between SAS control module and occupant classification sensor
Fail-safe  -
Possible cause 
  • Occupant classification sensor connector malfunction
  • Open circuit in wiring harness between occupant classification sensor and SAS control module
  • Short to power supply in wiring harness between the SAS control module and occupant classification sensor
  • Short to ground in wiring harness between the SAS control module and occupant classification sensor
  • Occupant classification sensor malfunction
  • SAS control module malfunction
Fig 1: SAS Control Module And Occupant Classification Sensor Circuit Diagram
G10910464Courtesy of MAZDA MOTORS CORP.