Detecting Conditions

WARNING: This page is about a different car, the 2003 Toyota Prius, 2002 Toyota Prius, and 2001 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

For DTC's C1275/ 75-C1278/ 78, an abnormal change in output voltage was detected by the speed sensors. Check the following:

Right front speed sensor rotors.
Left front speed sensor rotors.
Right rear speed sensor rotors.
Left rear speed sensor rotors.