OBD Guide

U0198

Lost Communication With Telematic Control Module

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Telematics functions do not work (navigation, emergency calls)
  • Check Engine Light Is On
  • Error message on display
  • Problems connecting to remote services

Causes

  • Malfunction of the telematics control module
  • Open or short circuit in the communication circuit
  • Module power problems
  • Poor contact in connectors
  • Software error in the module

How to Fix

  1. Check fuses associated with the telematics module
  2. Inspect the wiring harness and connectors for damage.
  3. Check the power supply and ground of the module
  4. Scan the module for additional errors
  5. If necessary, replace the telematics module

Related codes

Error U0198 by Vehicle Brand