OBD Guide

U0184

Lost Communication With Radio

U0184 is an OBD-II diagnostic trouble code meaning: Lost Communication With Radio. Common causes: malfunction of the head unit (radio), broken or damaged audio system power cables. Estimated repair cost: $22–167.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Audio system doesn't work
  • No sound from speakers
  • Steering wheel control buttons do not work
  • Glitches or freezing of the multimedia system

Causes

  • Malfunction of the head unit (radio)
  • Broken or damaged audio system power cables
  • Problems with the CAN bus
  • Oxidation of contacts in connectors
  • Audio software failure

How to Fix

  1. Check audio system fuses
  2. Diagnose the head unit
  3. Check the integrity of wiring and connectors
  4. Reset the error with an OBD-II scanner
  5. Update audio system firmware

Related codes

Error U0184 by Vehicle Brand

FAQ

What does the U0184 code mean?

U0184 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Radio

What causes a U0184 error code?

The most common causes of U0184 include: Malfunction of the head unit (radio); Broken or damaged audio system power cables; Problems with the CAN bus; Oxidation of contacts in connectors.

How do I fix a U0184 diagnostic trouble code?

To fix U0184: Check audio system fuses. Diagnose the head unit. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0184?

Yes, but get it checked soon

How much does it cost to fix U0184?

The estimated repair cost for U0184 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat