Possible Causes
WARNING: This page is about a different car, the 2002 Mazda B4000, 2002 Mazda B3000, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- Speedometer calibration.
- Damaged 4X4L shift control switch.
- 4X4L harness open or shorted.
- Damaged Electronic Shift Control Module.
- Damaged PCM.