Normal Operation

• DTC U0140 (Lost Communication With Body Control Module (GEM)) - sets in continuous and on-demand memory in the ABS module if data messages such as ignition state and ambient temperature data are missing for more than 5 seconds. For a complete list of all network messages, refer to MODULE COMMUNICATIONS NETWORK .

This pinpoint test is intended to diagnose the following: 

• Communication network concern
• Body Control Module (BCM)
• ABS Module