U0126 moderate

Lost Communication With Steering Angle Sensor Module

The U0126 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Steering Angle Sensor Module. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
moderate
Estimated cost
$100 - $500 (parts and labor)
Diagnose CAN Bus Issues
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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

  • Stability control warning light on
  • Traction control light illuminated
  • Steering angle sensor needs recalibration message
  • Lane keep assist and lane departure warning inoperative
  • ABS light may also be on

Probable Causes (Ranked by Likelihood)

  • Failed steering angle sensor Very High
  • Steering angle sensor needs recalibration after alignment High
  • Damaged clockspring in steering column Moderate
  • Corroded wiring at steering angle sensor connector Moderate
  • Aftermarket steering wheel installation issue Low

Step-by-Step Diagnostic Procedure

  1. Scan for DTCs in stability control and steering modules

  2. Attempt steering angle sensor calibration with a scan tool -- turn wheel lock to lock

  3. Check if a recent wheel alignment was performed without sensor recalibration

  4. Inspect the clockspring and steering column connector

  5. Verify the steering angle sensor is properly seated in the column

Frequently Asked Questions

Can I drive with code U0126?

You can drive short distances, but your stability control and advanced driver assist features are disabled. The vehicle will not have electronic stability assistance in emergency maneuvers.

Does the sensor need recalibration after a wheel alignment?

Yes. Many vehicles require a steering angle sensor recalibration after a wheel alignment. If this step is skipped, U0126 or related codes may set. A scan tool is needed to perform the calibration.

Is U0126 expensive to fix?

If only recalibration is needed, the cost is typically $50 to $150. Sensor replacement ranges from $200 to $500 including labor.

Sources

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

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