C1860 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1860 – Differential Fluid Overheated


C1860 Possible Symptoms


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


C1860 Possible Causes


Faulty Differential Fluid Temperature Sensor,Differential Fluid Temperature Sensor harness is open or shorted,Differential Fluid Temperature Sensor circuit poor electrical connection,Faulty Differential Assembly,Faulty AWD Control Unit


C1860 Description


The AWD Control Unit monitors the Differential Fluid Temperature. The AWD Control Unit sets the OBDII code when the Differential Fluid Temperature is not to factory specifications.