Possible cause
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
- Connector terminal disconnection, poor contact, damage, deformation, corrosion
- Parking assist unit (ultrasonic) power supply voltage or body ground malfunction
- Open circuit in wiring harness between parking assist unit (ultrasonic) and connector C-58
- Open circuit in wiring harness between connector C-58 and connector C-69
- Connector C-58 malfunction
- Connector C-69 malfunction
- Parking assist unit (ultrasonic) malfunction