U0279 moderate

Lost Communication With Torque Vectoring Module

The U0279 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Torque Vectoring Module. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$500 - $2,500 (parts and labor)
Diagnose CAN Bus Issues
LAUNCH CRP123X Full System Scanner

Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.

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Common Symptoms

  • Torque vectoring system disabled
  • Reduced cornering performance
  • AWD warning light on
  • Vehicle pulling to one side under acceleration

Probable Causes (Ranked by Likelihood)

  • Failed torque vectoring control module Very High
  • Clutch pack failure in differential High
  • CAN bus wiring fault Moderate
  • Torque vectoring sensor failure Low

Step-by-Step Diagnostic Procedure

  1. Scan torque vectoring module for codes

  2. Test clutch pack operation

  3. Check CAN bus at vectoring module

  4. Inspect differential fluid condition

Frequently Asked Questions

Can I drive with U0279?

Short distances on dry roads. Cornering behavior will be different.

What causes U0279?

Usually a failed torque vectoring module or clutch pack within the differential.

What is torque vectoring?

It distributes power between wheels to improve cornering grip and stability.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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