C1481 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1481 – Rear Right Wheel Brake Pressure Control Plausibility Failure

 

C1481 Possible Symptoms

 

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

 

C1481 Possible Causes

 

Brake System Bleeding,Faulty Hydraulic Control Unit (HCU),Hydraulic Control Unit (HCU) harness is open or shorted,Hydraulic Control Unit (HCU) circuit poor electrical connection

 

C1481 Description

 

The Hydraulic Control Unit (HCU) monitors the Rear Right Wheel Brake Pressure. The HCU sets the OBDII code when the Rear Right Wheel Brake Pressure is not to factory specifications.