C0020 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0020 – ABS Pump Motor Control


C0020 Possible Symptoms


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


C0020 Possible Causes


Faulty Anti-Lock Brake System (ABS) Control Module,Faulty Hydraulic Control Unit (HCU),Hydraulic Control Unit (HCU) harness is open or shorted,Hydraulic Control Unit (HCU) circuit poor electrical connection


C0020 Description


The Anti-Lock Brake System (ABS) Module monitors the ABS Pump Motor. The ABS Module sets the OBDII code when the ABS Pump Motor is not to factory specifications.