Possible cause
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.
- Connector terminal disconnection, poor contact, damage, deformation, corrosion
- Blind spot monitoring (BSM) control module (LH) power supply voltage or body ground malfunction
- Open circuit in wiring harness between blind spot monitoring (BSM) control module (LH) and connector C-23
- Open circuit in wiring harness between connector C-23 and rear body control module (RBCM)
- Connector C-23 malfunction
- Blind spot monitoring (BSM) control module (LH) malfunction
- CAN circuit in rear body control module (RBCM) malfunction