Possible Causes
WARNING: This page is about a different car, the 2002 Mazda 626 and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
Following items are possible causes for DTC P0713 and P1718:
- Incorrect ATF fluid level.
- Malfunctioning TFT sensor.
- TFT sensor circuit short to voltage.
- TFT sensor open circuit.
- Malfunctioning PCM.