Diagnostic Procedure

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1206:00, B143A:00, B1A55:00 OR U2107:00 DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	PERFORM SAS CONTROL MODULE DTC INSPECTION Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION .) Is the DTC B1193:00 displayed?	Yes	Replace the SAS control module and perform the repair completion verification. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
1		No	Go to the next step.
Repair completion verification 1	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION .) Are the same Pending DTCs present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .) If the CAN communication is normal, perform the diagnosis from Step 1. If the malfunction recurs, replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE (AIRBAG) (US) .)
Repair completion verification 2		No	DTC troubleshooting completed.