OBD Guide

U0156

Lost Communication With Information Center A

Severity: MEDIUM

Symptoms

  • No information on the multimedia system display
  • Incorrect operation of the dashboard
  • Warning messages appear
  • No beeps or prompts
  • Some comfort functions do not work

Causes

  • Broken or damaged CAN bus wires
  • Information Center power problems
  • Info Center Module Malfunction
  • Corrosion or poor contact in connectors
  • Software error in one of the modules

How to Fix

  1. Check the integrity of the CAN bus and connections
  2. Check the information center power supply
  3. Scan all modules for errors
  4. Reboot the system (disconnect the battery for 10 minutes)
  5. If necessary, replace the information center module

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