OBD Guide

U0189

Lost Communication With Digital Disc Player/Changer Module C

U0189 is an OBD-II diagnostic trouble code meaning: Lost Communication With Digital Disc Player/Changer Module C. Common causes: broken or damaged can bus wires, oxidized or damaged connectors. Estimated repair cost: ~$167.

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

Symptoms

  • Multimedia system does not work
  • No sound from speakers
  • Glitches or screen freezing
  • Loss of connected devices (USB, Bluetooth)
  • Errors on the head unit display

Causes

  • Broken or damaged CAN bus wires
  • Oxidized or damaged connectors
  • Player module malfunction
  • Problems with power supply to the head unit
  • Software failure in the multimedia system

How to Fix

  1. Check connections and connectors of the head unit
  2. Diagnose the integrity of the CAN bus wiring
  3. Check the power supply to the player module
  4. Perform a system reset (battery disconnection)
  5. Update head unit software

Related codes

Error U0189 by Vehicle Brand

FAQ

What does the U0189 code mean?

U0189 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Digital Disc Player/Changer Module C

What causes a U0189 error code?

The most common causes of U0189 include: Broken or damaged CAN bus wires; Oxidized or damaged connectors; Player module malfunction; Problems with power supply to the head unit.

How do I fix a U0189 diagnostic trouble code?

To fix U0189: Check connections and connectors of the head unit. Diagnose the integrity of the CAN bus wiring. Check the power supply to the player module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0189?

Yes, but get it checked soon

How much does it cost to fix U0189?

The estimated repair cost for U0189 is ~$167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat