U0234
Lost Communication With Convenience Recall Module
U0234 is an OBD-II diagnostic trouble code meaning: Lost Communication With Convenience Recall Module. Common causes: open or short circuit in the can bus circuit, convenience module malfunction. Estimated repair cost: $33–167.
Symptoms
- Power windows don't work
- Problems with central locking
- Check Engine Light Is On
- Other comfort systems do not work
Causes
- Open or short circuit in the CAN bus circuit
- Convenience module malfunction
- Module power problems
- Contact corrosion
- Software error
How to Fix
- Check convenience module fuses
- Diagnose the integrity of the CAN bus
- Check the power supply and ground of the module
- Scan the module for errors
- Replace the convenience module if necessary
Related codes
Error U0234 by Vehicle Brand
FAQ
What does the U0234 code mean?
U0234 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Convenience Recall Module
What causes a U0234 error code?
The most common causes of U0234 include: Open or short circuit in the CAN bus circuit; Convenience module malfunction; Module power problems; Contact corrosion.
How do I fix a U0234 diagnostic trouble code?
To fix U0234: Check convenience module fuses. Diagnose the integrity of the CAN bus. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0234?
Yes, but get it checked soon
How much does it cost to fix U0234?
The estimated repair cost for U0234 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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