OBD Guide

U0672

Lost Communication With Engine Coolant Pump

U0672 is an OBD-II diagnostic trouble code meaning: Lost Communication With Engine Coolant Pump. Common causes: open or short circuit in the pump circuit, pump motor malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Check Engine Light Is On
  • Engine overheating
  • Reduced engine power
  • Unstable operation of the cooling system
  • Error message on the dashboard

Causes

  • Open or short circuit in the pump circuit
  • Pump motor malfunction
  • Problems with the connector or contacts
  • Pump control module malfunction
  • ECU software error

How to Fix

  1. Check the pump circuit fuse
  2. Inspect connectors and wiring for damage
  3. Check the resistance of the pump windings
  4. Scan the system for additional errors
  5. If necessary, replace the coolant pump

Related codes

Error U0672 by Vehicle Brand

FAQ

What does the U0672 code mean?

U0672 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Engine Coolant Pump

What causes a U0672 error code?

The most common causes of U0672 include: Open or short circuit in the pump circuit; Pump motor malfunction; Problems with the connector or contacts; Pump control module malfunction.

How do I fix a U0672 diagnostic trouble code?

To fix U0672: Check the pump circuit fuse. Inspect connectors and wiring for damage. Check the resistance of the pump windings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0672?

Limited driving only, diagnose soon

How much does it cost to fix U0672?

The estimated repair cost for U0672 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat