Possible Cause
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- ABS/TCS HU/CM malfunction
- Instrument cluster malfunction
- Malfunction of connectors between PCM, TCM, ABS/TCS HU/CM and instrument cluster
- Open or short circuit in wiring harness
- PCM malfunction
- TCM malfunction