U0198 – BMW DTC

BMW DTC U0198 – Lost Communication With Telematic Control Module

DTC U0198 meaning on BMW

DTC U0198 on a BMW indicates a ¨Lost Communication With Telematic Control Module¨ fault. This means that the vehicle’s onboard diagnostic system has detected a communication issue with the telematics control module, which is responsible for functions such as GPS navigation, emergency calling, and remote vehicle diagnostics.

BMW DTC U0198 symptoms

Symptoms of a DTC U0198 on a BMW may include:

• Loss of telematics system functionality
• GPS navigation not working
• Inability to make emergency calls
• Error messages related to the telematics system

BMW DTC U0198 causes

Common causes of a DTC U0198 on a BMW include:

• Faulty telematics control module
• Wiring or connection issues
• Software glitches
• Electrical problems

BMW DTC U0198 seriousness

While a DTC U0198 may not directly affect the drivability of the vehicle, it can impact the functionality of important telematics features. Loss of communication with the telematics control module can hinder emergency response capabilities and navigation services, making it a serious issue that should be addressed promptly.

How to diagnose DTC U0198 on BMW

To diagnose a DTC U0198 on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code
2. Inspect the wiring and connections to the telematics control module
3. Check for any software updates or glitches
4. Test the telematics control module for functionality

How to fix DTC U0198 on BMW

To fix a DTC U0198 on a BMW, the following steps may be taken:

1. Repair or replace any faulty wiring or connections
2. Update the software of the telematics control module
3. Replace the telematics control module if necessary
4. Clear the fault code and reset the system

How to erase DTC U0198 on BMW

To erase a DTC U0198 on a BMW, follow these steps:

1. Use a diagnostic scanner to clear the fault code
2. Ensure that the underlying issue causing the fault code has been resolved
3. Perform a test drive to confirm that the fault code does not return