OBD Guide
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C1073

ABS Pump Motor Control Circuit

C1073 is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Control Circuit. Common causes: open or short circuit in wiring harness, abs pump relay malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • Disabling the ABS system
  • Unusual noises from the ABS unit

Causes

  • Open or short circuit in wiring harness
  • ABS pump relay malfunction
  • Problems with the pump motor
  • Poor contact in connectors
  • ABS control unit malfunction

How to Fix

  1. Check wiring harness for damage
  2. Check ABS pump relay
  3. Check the pump motor
  4. Check connectors for oxidation and poor contact
  5. If necessary, replace faulty components

Related codes

C1074C1075

FAQ

What does the C1073 code mean?

C1073 is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Control Circuit

What causes a C1073 error code?

The most common causes of C1073 include: Open or short circuit in wiring harness; ABS pump relay malfunction; Problems with the pump motor; Poor contact in connectors.

How do I fix a C1073 diagnostic trouble code?

To fix C1073: Check wiring harness for damage. Check ABS pump relay. Check the pump motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1073?

Limited driving only, diagnose soon

How much does it cost to fix C1073?

The estimated repair cost for C1073 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat