Diagnostic Procedure

WARNING: This page is about a different car, the 2018 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DTC U2100:00 (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	PERFORM SAS CONTROL MODULE CONFIGURATION (AS-BUILT DATA USE) Perform the SAS control module configuration using the M-MDS. (See SAS CONTROL MODULE CONFIGURATION (USING AS-BUILT DATA) [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) .) Are the same DTCs present?	Yes	Go to the next step.
		No	DTC troubleshooting completed.
2	PERFORM SAS CONTROL MODULE DTC INSPECTION Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) .) Are the same DTCs present?	Yes	Repeat the inspection 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.] .)
		No	Go to the next step.
3	VERIFY THAT NO OTHER DTCs ARE PRESENT Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) .) Are any other DTCs output?	Yes	Repair the malfunction part according to the applicable DTC troubleshooting. (See DTC TABLE (SAS Control Module (Two-step Deployment Control System - US/Canada Spec.)) .)
		No	DTC troubleshooting completed.