OBD Guide
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U2139

Lost Communication With Column Integration Module

U2139 is an OBD-II diagnostic trouble code meaning: Lost Communication With Column Integration Module. Common causes: broken or damaged wires in the harness, poor contact in module connectors. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Steering column switches do not work
  • Lack of steering column adjustment
  • Check Engine light comes on
  • Loss of multimedia system functions
  • Errors in driver assistance systems

Causes

  • Broken or damaged wires in the harness
  • Poor contact in module connectors
  • Faulty steering column integration module
  • Module power problems
  • CAN bus fault

How to Fix

  1. Check the integrity of the wiring harness to the module
  2. Inspect and clean the connector contacts
  3. Check the power supply and ground of the module
  4. Scan the CAN bus for errors
  5. Replace the steering column integration module if necessary

Related codes

U2100U2101U2140

FAQ

What does the U2139 code mean?

U2139 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Column Integration Module

What causes a U2139 error code?

The most common causes of U2139 include: Broken or damaged wires in the harness; Poor contact in module connectors; Faulty steering column integration module; Module power problems.

How do I fix a U2139 diagnostic trouble code?

To fix U2139: Check the integrity of the wiring harness to the module. Inspect and clean the connector contacts. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2139?

Limited driving only, diagnose soon

How much does it cost to fix U2139?

The estimated repair cost for U2139 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat