DTC 18031
DTC 18031 P1623
Notes on DTC 180311 P1623:
^ The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over the CAN bus. All information signals are transmitted over 2 leads.
^ The Transmission Control Module (TCM) can send signals and data, but it cannot receive anything.