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
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.