OBDII Code List

C0020 CHRYSLER - ABS Pump Motor Control

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

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
  • Tech notes

    The Hydraulic Control Unit (HCU) consists of a valve body, pump motor, and inlet/outlets for the brake lines. The combined HCU and Antilock Brake System (ABS) module is located forward of the master cylinder.

    Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)
  • C0020 Chrysler 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.
    OBDII Code C0020 Chrysler - ABS Pump Motor Control - Engine-Codes.com

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