Troubleshoot BMW SZM Centre Console Switch Cluster

Troubleshoot BMW SZM Centre Console Switch Cluster

Need to diagnose your BMW SZM Centre Console Switch Cluster? By following the procedures below, learn how to do it using an OBD-II Scanner.


bmw YOUCANIC SCANNER

The YOUCANIC Full System Scanner can read and clear fault codes through every control module of your BMW vehicle

What is the BMW SZM switch?

The steering column adjustment is on the left-hand side of the steering column.

SZM is the BMW term for Centre Console Switch Cluster. When the driver adjusts, the steering column signal is sent to the steering column switch cluster (SZL), which controls the steering column motor.

If your BMW SZM module fails, you may notice that you can no longer adjust the steering wheel.

Diagnose BMW SZM switch problems

If you are experiencing problems, reading fault codes from the SZM module is a good starting point.

What you will need

For this step, you will need a diagnostic scanner capable of reading and clearing codes from the BMW SZM module.

Procedure

  1. Plugin the OBD-II scanner into the diagnostic port under the dashboard.diagnose-bmw-SZM-fault-code-via-obd2-port
  2. Turn on the ignition; don’t start the engine.turn-on-bmw-ignition-to-read-SZM-fault-codes
  3. Turn on the scanner and select your BMW chassis. Next, Select the Control Units menu.bmw-SZM-control-unit-module-reading-codes
  4. Select the SZM Module.bmw control unit list
  5. Once you enter the SZM module, you can do the following.
    • Read Codes from SZM Module
    • Clear Codes from SZM Module
    • Perform Adaptations, Activations, Tests

  • If any code shows PRESENT status, the problem needs to be fixed before the code can be cleared.
  • Note that the SZM is connected to the IHR/IHKR/IHKA control unit via a 14-pin connector.
  • When purchasing a BMW scanner, verify that the supports your BMW model and year.

We hope you find the Troubleshoot BMW SZM Centre Console Switch Cluster guide helpful. Check these troubleshooting and repair guides for more help on your BMW.

Author

  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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