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Home >> Mazda >> 2025 >> CX-5 S Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 264 (On-Board Diagnostic - 360DEGREES View Monitor Control Module) >> DTC B12C1-01: Side Camera (RH) Circuit Malfunction

DTC B12C1-01: Side Camera (RH) Circuit Malfunction

WARNING: This page is about a different car, the 2024 Mazda CX-90. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location Side camera (RH) circuit malfunction
Detection condition
  • The 360°view monitor control module detects a malfunction in the side camera (RH) circuit.
Fail-safe • Not applicable
Vehicle status when DTCs are output • Not applicable
Repeatability verification procedure 1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
Inspection/action procedure Proceed with the inspection/action in the order from Step 1 below.
After part repair or replacement, perform the repeatability verification procedure and perform a DTC inspection. (See DTC INSPECTION .)
If the same DTC is displayed again as a result of the DTC inspection, go to the next step.
1. Inspect the wiring harness (including connector/terminal) between the side camera (RH) and the 360° view monitor control module.
 
Purpose/reason (possible cause) Malfunction in the wiring harness (including connector/terminal) between the side camera (RH) and the 360° view monitor control module
Referred to service information item CIRCUIT INSPECTION / CONNECTOR INSPECTION
2. Replace the side camera (RH).
Purpose/reason (possible cause) Side camera (RH) malfunction (applicable part cannot be inspected to determine integrity)
Referred to service information item SIDE CAMERA REMOVAL/INSTALLATION
3. Replace the 360° view monitor control module.
Purpose/reason (possible cause) 360° view monitor control module malfunction (no other possible malfunction considered)
Referred to service information item 360° VIEW MONITOR CONTROL MODULE REMOVAL/INSTALLATION
System Wiring Diagram
G16689659Courtesy of MAZDA MOTORS CORP.
1 360° view monitor control module
2 Side camera (RH)
Function explanation (DTC detection outline) • Not applicable