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Home >> Mazda >> 2018 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Rear Body Control Module (RBCM) >> DTC B1207-86: Error Signal Received From SAS Control Module >> Notes
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DTC B1207-86: Error Signal Received From SAS Control Module: Notes

DTC B1207:86 (REAR BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description Error signal received from SAS control module
Detection Condition
  • The rear body control module (RBCM) detected the following conditions for 3 s or more with the ignition switched ON (engine off or on).
    • Error signal is received from SAS control module even though the collision detection unlock function presence signal received from the rear body control module (RBCM) determines that the function is present.
Fail-safe Not applicable
Possible Cause
  • SAS control module connector or terminal malfunction
  • Rear body control module (RBCM) connector or terminal malfunction
  • Short to ground in wiring harness between SAS control module terminal 3AF and rear body control module (RBCM) terminal 3R
  • Short to power supply in wiring harness between SAS control module terminal 3AF and rear body control module (RBCM) terminal 3R
  • Open circuit in wiring harness between SAS control module terminal 3AF and rear body control module (RBCM) terminal 3R
  • SAS control module malfunction
  • Rear body control module (RBCM) malfunction
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