Pinpoint Test D: DTC U0140
Driver Seat Module (DSM)
Pinpoint Test D: DTC U0140
Normal Operation
- DTC U0140 (Lost Communication With Body Control Module (GEM)) - set by the Driver Seat Module (DSM) whenever it receives invalid data from the Smart Junction Box (SJB).
This pinpoint test is intended to diagnose the following:
- Module communication
- DSM
- SJB
PINPOINT TEST D: DTC U0140