U0546
Invalid Data Received From Entertainment Control Module - Front
U0546 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Entertainment Control Module - Front. Common causes: open or short circuit in the can bus circuit, front multimedia module malfunction. Estimated repair cost: $56–278.
Symptoms
- Multimedia system does not work
- No sound from the audio system
- Glitches or display freezes
- Lack of communication with the head unit
- Error message on the dashboard
Causes
- Open or short circuit in the CAN bus circuit
- Front multimedia module malfunction
- Module power problems
- Software errors in the module
- Wiring harness damage
How to Fix
- Check the integrity of the wiring harness to the multimedia module
- Check the power supply and ground of the module
- Scan the media module for errors
- Reboot or flash the module
- If necessary, replace the multimedia module
Related codes
Error U0546 by Vehicle Brand
FAQ
What does the U0546 code mean?
U0546 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Entertainment Control Module - Front
What causes a U0546 error code?
The most common causes of U0546 include: Open or short circuit in the CAN bus circuit; Front multimedia module malfunction; Module power problems; Software errors in the module.
How do I fix a U0546 diagnostic trouble code?
To fix U0546: Check the integrity of the wiring harness to the multimedia module. Check the power supply and ground of the module. Scan the media module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0546?
Yes, but get it checked soon
How much does it cost to fix U0546?
The estimated repair cost for U0546 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat