U0073 - Control Module Communication Bus A Off
U0073 - CONTROL MODULE COMMUNICATION BUS A OFF
| Description: | The traction battery control module (TBCM) continuously monitors the controller area network (CAN) for messages from the powertrain control module (PCM), transaxle control module (TCM) and antilock braking system (ABS) module. This DTC is set when the message received from the PCM, TCM or ABS is out of expected range or contains invalid data. |
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| Possible Causes: |
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| Diagnostic Aids: | See the diagnostic aids for DTC U0001. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | Refer to MODULE COMMUNICATIONS NETWORK . | |||