U0523
Invalid Data Received From Door Window Motor A
U0523 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Door Window Motor A. Common causes: window motor malfunction, open or short circuit in control circuit. Estimated repair cost: $28–89.
Symptoms
- Door window regulator A does not work
- The window regulator operates erratically
- The fault indicator lights up
- The error is stored in the BCM memory
Causes
- Window motor malfunction
- Open or short circuit in control circuit
- Oxidation of contacts in connectors
- Problems with the CAN bus
- Body control unit malfunctions
How to Fix
- Check the power and ground of the window lift motor
- Inspect connectors and wiring for damage
- Test the window lift motor
- Check the CAN bus for errors
- If necessary, replace the window motor
Related codes
Error U0523 by Vehicle Brand
FAQ
What does the U0523 code mean?
U0523 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Door Window Motor A
What causes a U0523 error code?
The most common causes of U0523 include: Window motor malfunction; Open or short circuit in control circuit; Oxidation of contacts in connectors; Problems with the CAN bus.
How do I fix a U0523 diagnostic trouble code?
To fix U0523: Check the power and ground of the window lift motor. Inspect connectors and wiring for damage. Test the window lift motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0523?
Yes, but get it checked soon
How much does it cost to fix U0523?
The estimated repair cost for U0523 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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