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Home >> Mazda >> 2017 >> CX-5 Grand Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (On-Board Diagnostic [Front Body Control Module (FBCM)]) >> DTC U053B-68: Error Signal Received From Forward Sensing Camera (FSC) >> 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 VERIFY FRONT BODY CONTROL MODULE (FBCM) DTCs AGAIN  Yes Go to the next step.
No Go to Step 5.
2 VERIFY FORWARD SENSING CAMERA (FSC) DTCs  Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [FORWARD SENSING CAMERA (FSC)] .)
No Go to the next step.
3 PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS FORWARD SENSING CAMERA (FSC)  Yes Replace the forward sensing camera (FSC), then go to the next step.
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .)
No Go to Step 5.
4 VERIFY THAT REPAIRS HAVE BEEN COMPLETED  Yes replace the front body control module (FBCM), then go to the next step.
(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION .)
No Go to the next step.
5 VERIFY IF OTHER DTCs DISPLAYED 
  • Are any other DTCs displayed?
Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)] .)
No DTC troubleshooting completed.