Tests AJ: DTC U0101 - Lost Communication With TCM
PINPOINT TEST AJ: DTC U0101 - LOST COMMUNICATION WITH TCMNormal Operation
The instrument cluster sets DTC U0101 if data messages received from the transmission control module (TCM) over the high speed controller area network (HS-CAN) are missing. For a complete list of all network messages, refer to Information Bus (Module Communications Network).
This pinpoint test is intended to diagnose the following:
- Module communication
- Instrument cluster
