BMW E90 2006 5E50 Fault Code Steering Angle Sensor Calibration by Launch X431

This instruction show you guide on how to use Launch X431 to do steering angle sensor calibration for BMW E90 320i 2006 5E50 trouble code.


Tools Requires:

Launch X431 PAD V



Connect Launch X431 PAD to BMW E90 2006,then automatically search when all system scanned,access “ABS”

Then press “Read Fault Code”


Trouble code 5E50:

DSC:Steering Angle Sensor serial number calibration required


Select “Fault Guidance”


Select “SZL/DSC:Steering Angle Sensor Adjustment”–>”Operate”


The Steering Angle must be calibrated after following jobs:

Replacement of steering column switch cluster

Encoding of DSC Control Unit

Replacement of DSC Control unit

Adjustment work on steering Geometry

Working on steering An/Or front Axle


The run flat indicator must be additionally initialised after adjusting the steering angle sensor on completion of the follow work:

Eocoding of DSC Control Unit

Replacement of DSC Control Unit


For vehicles starting from 12/2004,the SZL must be encoded after a replacement.

The adjustment of the steering angle sensor in the steering column switch cluster only works if the steering column switch cluster is encoded.

The steering column switch cluster is automatically encoded as the DSC control unit is encoded.

Do you wish to cancel the test module?

Press “No”


Exactly set front wheels to straight-position.The steering wheel must be positioned horizontally

Press continue


The Steering wheel must be positioned horizontally!

Otherwise this may cause problems during vehicle operation (Zero point of steering angle is Detected As Faulty)

The adjustment procedures is started in the next test step,click “Continue”


Adjustment in process


Warning all gone


Adjustment of the steering angle was successful.

Visually align the steering wheel in horizontal position to check the zero position of the steering angle (wheels in straight ahead position)

Click “Continue”


With the steering wheel in horizontal position,Does the displayed steering angle=0 degrees

Press “Yes”


Adjustment of the steering angle was carried out correctly.

Initialise run flat indicator if necessary

The test module is Ended in the next test step,press “Continue” to next step


Service function finished,press “Continue”


Now back to clear DTC and then read fault code again,it will disappear.


More test report about Launch X431 please check:Launch X431 Test Report

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