U0184

Lost Communication with Radio

Q: What does fault code U0184 mean?

Lost Communication with Radio. Another module reports lost communication with the infotainment/radio module.

Q: What are the symptoms of U0184?

No radio/infotainment; Possible CEL depending on vehicle

Q: What are the possible causes of U0184?

Blown radio fuse; Wiring fault; Failed head unit

Q: How to fix U0184?

Check fuse; Inspect wiring/connectors behind the head unit; Replace unit if confirmed dead

Severity: Low Network/Communication Generic OBD-II Code Est. Repair: $0 - $600

Usually safe to drive short-term, but diagnose soon.

Quick Answer

U0184 means “Lost Communication with Radio.” Severity: Low. Estimated repair cost: $0 - $600. Most common sign: No radio/infotainment.

What Does U0184 Mean?

Another module reports lost communication with the infotainment/radio module.

Common Symptoms

No radio/infotainment

Possible CEL depending on vehicle

Possible Causes

Blown radio fuse

Wiring fault

Failed head unit

How to Fix U0184 – Repair Guide

Check fuse

Inspect wiring/connectors behind the head unit

Replace unit if confirmed dead

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Budgeting for This Repair?

A typical U0184 repair runs about $0 - $600. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.