C1858 ACURA – Differential Fluid Pressure

C1858 ACURA Possible Symptoms

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

C1858 ACURA Possible Causes

Faulty Differential Solenoid Valve,Faulty Differential Fluid Pressure Sensor,Differential Fluid Pressure Sensor harness is open or shorted,Differential Fluid Pressure Sensor circuit poor electrical connection

C1858 ACURA Description

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