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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (On-Board Diagnostic - Rear Body Control Module (RBCM)) >> DTC U3000-49: Rear Body Control Module (RBCM) Internal Malfunction >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
Step Inspection Action
1 PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS REAR BODY CONTROL MODULE (RBCM) 
Yes Replace the rear body control module (RBCM), then go to the next step.
(See REAR BODY CONTROL MODULE (RBCM) REMOVAL/INSTALLATION .)
No Go to the next step.
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 [REAR BODY CONTROL MODULE (RBCM)] .)
No DTC troubleshooting completed.