U0260 moderate

Lost Communication With Rear Axle Steering Module

The U0260 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Rear Axle Steering Module. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$800 - $3,500 (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

  • Rear wheels not steering at low speeds
  • Reduced turning circle
  • Rear steering warning light on
  • Vehicle handling feels different
  • Rear axle steering disabled message

Probable Causes (Ranked by Likelihood)

  • Failed rear steering actuator Very High
  • Rear steering module communication loss High
  • CAN bus wiring fault to rear axle Moderate
  • Rear steering position sensor failure Low

Step-by-Step Diagnostic Procedure

  1. Scan rear steering module for codes

  2. Test rear steering actuator response

  3. Check CAN bus wiring to rear axle

  4. Verify rear steering position sensor

Frequently Asked Questions

Can I drive with U0260?

Short distances at low speed. Without rear steering, the turning radius increases significantly.

What causes U0260?

Usually a failed rear steering actuator or module communication loss.

How much does U0260 cost to fix?

Between $800 and $3,500. This is a specialized system found on premium vehicles.

Sources

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

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