Possible Causes
WARNING: This page is about a different car, the 2002 Mazda Millenia and 2001 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.
Following items are possible causes for DTC P0715:
- Input/turbine speed sensor malfunction.
- Input/turbine speed sensor circuits open or shorted to ground between sensor and PCM.
- Damaged connectors or wiring harness between input/turbine speed sensor and PCM.
- PCM malfunction.