OBD Guide

C05A6

ABS Pump Motor Supply Voltage B Circuit High

C05A6 is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Supply Voltage B Circuit High. Common causes: short for helsinki in the power supply circuit of the abs pump motor, abs pump motor relay malfunction. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • Unstable operation of the ABS system
  • ABS system not working

Causes

  • Short for Helsinki in the power supply circuit of the ABS pump motor
  • ABS pump motor relay malfunction
  • Wiring Harness Problems
  • ABS control unit malfunction

How to Fix

  1. Check the condition of the wiring harness and contacts in the power supply circuit of the ABS pump motor
  2. Check the operation of the ABS pump motor relay
  3. Check the voltage in circuit B of the pump motor supply.
  4. Testing the ABS control unit

Related codes

Error C05A6 by Vehicle Brand

FAQ

What does the C05A6 code mean?

C05A6 is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Supply Voltage B Circuit High

What causes a C05A6 error code?

The most common causes of C05A6 include: Short for Helsinki in the power supply circuit of the ABS pump motor; ABS pump motor relay malfunction; Wiring Harness Problems; ABS control unit malfunction.

How do I fix a C05A6 diagnostic trouble code?

To fix C05A6: Check the condition of the wiring harness and contacts in the power supply circuit of the ABS pump motor. Check the operation of the ABS pump motor relay. Check the voltage in circuit B of the pump motor supply.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C05A6?

Limited driving only, diagnose soon

How much does it cost to fix C05A6?

The estimated repair cost for C05A6 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat