C1476 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1476 – Brake System Pump Volume Feed Too Low Plausibility Failure


C1476 Possible Symptoms


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


C1476 Possible Causes


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


C1476 Description


The Hydraulic Control Unit (HCU) monitors the Brake System Pump. The HCU sets the OBDII code when the Brake System Pump is not to factory specifications.