DTC U0198: Lost Communication With TELEMATIC Control Module
DTC U0198: LOST COMMUNICATION WITH TELEMATIC CONTROL MODULE
| Description: | The TCM continuously monitors the controller area network (CAN) for messages from the telematics control unit (TCU). This DTC sets when the TCM does not receive the TCU message within the defined amount of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | Check for other SOBDMC DTCs or SOBDMC related symptoms. Diagnose all other SOBDMC DTCs or SOBDMC related symptoms first. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QD . | ||