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Home >> Mazda >> 2015 >> 3 SV, Standard Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> On-Board Diagnostic - Airbag System (Two-Step Deployment Control System) >> DTC B1128 55/B1129 55: Configuration Setting Error (Driver/Passenger-Side Curtain Air Bag Module) >> Diagnostic Procedure
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Diagnostic Procedure

DTC B1128:55/B1129:55 - DIAGNOSTIC PROCEDURE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)

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 
  • 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.
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 [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
No DTC troubleshooting completed.