C0020
ABS Pump Motor Control
C0020 is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Control. Common causes: abs pump motor malfunction, open or short circuit in the abs pump wiring harness. Estimated repair cost: $167–556.
Symptoms
- The ABS indicator on the dashboard is on
- ABS system does not work
- Possible problems with the ESP system (if installed)
- In some cases - extraneous noise from the ABS module
Causes
- ABS pump motor malfunction
- Open or short circuit in the ABS pump wiring harness
- Problems with the ABS pump control relay
- ABS module malfunction
- Poor contact in ABS system connectors
How to Fix
- Carry out ABS diagnostics with a scanner
- Check the integrity of the wiring harness to the ABS pump
- Check the power and ground to the ABS pump motor
- Check ABS pump control relay
- If necessary, replace the ABS pump motor or ABS module
Related codes
Error C0020 by Vehicle Brand
FAQ
What does the C0020 code mean?
C0020 is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Control
What causes a C0020 error code?
The most common causes of C0020 include: ABS pump motor malfunction; Open or short circuit in the ABS pump wiring harness; Problems with the ABS pump control relay; ABS module malfunction.
How do I fix a C0020 diagnostic trouble code?
To fix C0020: Carry out ABS diagnostics with a scanner. Check the integrity of the wiring harness to the ABS pump. Check the power and ground to the ABS pump motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0020?
Limited driving only, diagnose soon
How much does it cost to fix C0020?
The estimated repair cost for C0020 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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