Possible cause
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.
- Connector terminal disconnection, poor contact, damage, deformation, corrosion
- Instrument cluster power supply voltage or body ground malfunction
- Open circuit in wiring harness between instrument cluster and connector C-34
- JB No. 2 malfunction
- Connector C-34 malfunction
- Connector C-33 malfunction
- Instrument cluster malfunction