U0198
Lost Communication With Telematic Control Module
U0198 is an OBD-II diagnostic trouble code meaning: Lost Communication With Telematic Control Module. Common causes: malfunction of the telematics control module, open or short circuit in the communication circuit. Estimated repair cost: $56–278.
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
- Check fuses associated with the telematics module
- Inspect the wiring harness and connectors for damage.
- Check the power supply and ground of the module
- Scan the module for additional errors
- If necessary, replace the telematics module
Related codes
Error U0198 by Vehicle Brand
FAQ
What does the U0198 code mean?
U0198 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Telematic Control Module
What causes a U0198 error code?
The most common causes of U0198 include: Malfunction of the telematics control module; Open or short circuit in the communication circuit; Module power problems; Poor contact in connectors.
How do I fix a U0198 diagnostic trouble code?
To fix U0198: Check fuses associated with the telematics module. Inspect the wiring harness and connectors for damage.. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0198?
Yes, but get it checked soon
How much does it cost to fix U0198?
The estimated repair cost for U0198 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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