OBD Guide

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

Severity: MEDIUM

Symptoms

  • Instruments on the panel do not work or show incorrect data
  • Check Engine Light Is On
  • No dashboard backlight
  • Speedometer and tachometer do not work
  • Warning messages are not displayed

Causes

  • Open or short circuit in wiring harness
  • Poor contact in dashboard connectors
  • Instrument panel module malfunction
  • Blown fuse
  • CAN bus problems

How to Fix

  1. Check and replace blown fuses
  2. Inspect connectors and wiring harness for damage
  3. Check the power and ground of the instrument panel module
  4. Scan other modules for communication errors
  5. If necessary, replace the instrument panel module

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