DTC U0073 (DCU) - Control Module Communication Bus A Off
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: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RM . | ||