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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> On-Board Diagnostic - Airbag System (Standard Deployment Control System) >> DTC B1128-55/B1129-55: Configuration Setting Error (Curtain Air Bag Module Structural Malfunction) [SAS Control Module (Standard Deployment Control System)] >> Diagnostic Procedure
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Diagnostic Procedure

DTC B1128:55/B1129:55 - SAS CONTROL MODULE (STANDARD DEPLOYMENT CONTROL SYSTEM) DIAGNOSTIC PROCEDURE

Step Inspection Action
1 PERFORM SAS CONTROL MODULE CONFIGURATION (AS-BUILT DATA USE) Yes Go to the next step.
No DTC troubleshooting completed.
2 INSPECT CURTAIN AIR BAG MODULE INSTALLATION CONDITION
  • Verify that the driver or passenger-side curtain air bag module is correctly installed.
  • Is the driver or passenger-side curtain air bag module correctly installed?
Yes Go to the next step.
No Correctly install the driver or passenger-side curtain air bag module.
(See CURTAIN AIR BAG MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
Then go to the next step.
3 PERFORM SAS CONTROL MODULE DTC INSPECTION Yes Replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
No DTC troubleshooting completed.