Fault code p2 127 of Toyota RVA4 room

The p2 127 fault code of Toyota RVA4 room apartment means that the throttle/accelerator pedal position sensor/switch E circuit is low.

This OBD fault code applies to all car manufacturers.

In the Electronic Throttle Control (ETC) system, the function of the accelerator pedal position (APP) sensor is to transmit the position of the accelerator pedal to the throttle control module in the form of an electrical signal, which serves as a reference for the throttle actuator to control the throttle opening. The fault causes include the accelerator pedal position (APP) sensor circuit open circuit or short circuit to ground, APP sensor itself fault, electronic control module (PCM or ECM) fault, etc.