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U0198: Lost Communication With Telematic Control Module

What Does U0198 Mean?

U0198 is a diagnostic trouble code indicating: Lost Communication With Telematic Control Module. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

What To Do Next

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

U0193 Lost Communication With Digital Audio Control Module A U0194 Lost Communication With Digital Audio Control Module B U0195 Lost Communication With Subscription Entertainment Receiver Module U0196 Lost Communication With Entertainment Control Module - Rear A U0197 Lost Communication With Telephone Control Module U0199 Lost Communication With Door Control Module A U0200 Lost Communication With Door Control Module B U0201 Lost Communication With Door Control Module C