U0204
Lost Communication With Door Control Module F
U0204 is an OBD-II diagnostic trouble code meaning: Lost Communication With Door Control Module F. Common causes: open or short circuit in the communication circuit, door control module fault f. Estimated repair cost: $33–167.
Symptoms
- The power windows on door F do not work
- Door locks F do not function
- Check Engine Light Is On
- Errors in other CAN bus-related systems
- Door F is not shown on the on-board computer display
Causes
- Open or short circuit in the communication circuit
- Door control module fault F
- Corroded or oxidized connectors
- Module power problems
- Software glitches
How to Fix
- Check door module fuse F
- Inspect connectors and wiring harness for damage
- Check the power supply and ground of the module
- Scan the CAN bus for other errors
- Replace door control module F if necessary
Related codes
Error U0204 by Vehicle Brand
FAQ
What does the U0204 code mean?
U0204 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Door Control Module F
What causes a U0204 error code?
The most common causes of U0204 include: Open or short circuit in the communication circuit; Door control module fault F; Corroded or oxidized connectors; Module power problems.
How do I fix a U0204 diagnostic trouble code?
To fix U0204: Check door module fuse F. Inspect connectors and wiring harness for damage. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0204?
Yes, but get it checked soon
How much does it cost to fix U0204?
The estimated repair cost for U0204 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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