Possible Causes
WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
- Anti-lock Brake System Hydraulic Unit/Control Module (ABS HU/CM) malfunction.
- Instrument cluster malfunction.
- Open or short circuit between instrument cluster and PCM.
- Open or short circuit between Vehicle Speed Sensor (VSS) and instrument cluster.
- PCM malfunction.
- VSS malfunction.