C1859 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1859 – PRNDL Input Sensor Circuit Failure

 

C1859 Possible Symptoms

 

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

 

C1859 Possible Causes

 

Faulty PRNDL Input Sensor,PRNDL Input Sensor harness is open or shorted,PRNDL Input Sensor circuit poor electrical connection

 

C1859 Description

 

The Anti-Lock Brake System (ABS) Module monitors the PRNDL Input Sensor. The ABS Module sets the OBDII code when the PRNDL Input Sensor is not to factory specifications.