DTC U0073 (DCU) - Control Module Communication Bus A Off
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2019 Ford Transit-350 HD, 2019 Ford Transit-350, 2019 Ford Transit-250, 2019 Ford Transit-150, and 2019 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION U0073 (DCU) - CONTROL MODULE COMMUNICATION BUS A OFF
| Description: | This DTC sets when the controller area network (CAN) between the reductant dosage control module and the data link connector (DLC) is open. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RM . | ||