DTCS C1220, C1221, C1222 & C1246/ 46: Hydraulic Pressure Sensor Circuits: Notes

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.

Code Definition

DTC C1220/ 46: Malfunction In Regulator (REG) Pressure Sensor
DTC C1221/ 46: Malfunction In Front (FR) Pressure Sensor
DTC C1222/ 46: Malfunction In Rear (RR) Pressure Sensor
DTC C1246/ 46: Malfunction In Master Cylinder (M/C) Pressure Sensor