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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Rear Body Control Module (RBCM) >> DTC U2100-00: Rear Body Control Module (RBCM) Configuration Error [Rear Body Control Module (RBCM)] >> Diagnostic Procedure
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Diagnostic Procedure

DTC U2100:00 (REAR BODY CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY REAR BODY CONTROL MODULE (RBCM) DTCs AGAIN Yes Go to the next step.
No Go to Step 4.
2 PERFORM REAR BODY CONTROL MODULE (RBCM) CONFIGURATION (USING AS-BUILT DATA) Yes Using the M-MDS, perform the rear body control module (RBCM) configuration (using As-Built data) again, then go to the next step.
(See REAR BODY CONTROL MODULE (RBCM) CONFIGURATION (USING AS-BUILT DATA) .)
No Go to Step 4.
3 VERIFY THAT REPAIRS HAVE BEEN COMPLETED Yes Replace the rear body control module (RBCM), then go to the next step.
(See REAR BODY CONTROL MODULE (RBCM) REMOVAL/INSTALLATION .)
Go to the next step.
No Go to the next step.
4 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [REAR BODY CONTROL MODULE (RBCM)] .)
No DTC troubleshooting completed.