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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (On-Board Diagnostic - Dynamic Stability Control (DSC)) >> DTC U053B; Abnormal Message From Forward Sensing Camera (FSC) >> Diagnostic procedure

Diagnostic procedure

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 INSPECT FOR FORWARD SENSING CAMERA (FSC) MALFUNCTION Yes Go to applicable DTC inspection.
(See DTC INSPECTION [FORWARD SENSING CAMERA (FSC)] .)
No Go to the next step.
2 VERIFY THAT THE SAME DTC IS NOT PRESENT Yes Repeat the inspection from Step 1. If the malfunction recurs, replace the forward sensing camera (FSC), then go to the next step.
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION .)
No Go to the next step.
3 VERIFY THAT NO OTHER DTCS ARE PRESENT
  • Are any other DTCs output?
Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .)
No DTC troubleshooting completed.