U0073 - Control Module Communication Bus A Off
WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
U0073 - CONTROL MODULE COMMUNICATION BUS A OFF
| Description: | This DTC is set when the controller area network (CAN) between the powertrain control module (PCM) and data link connector (DLC) is open. | |||
| Possible Causes: |
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| Diagnostic Aids: | Network DTC concerns occur during module-to-module communication. For additional description and operation of the vehicle communication network, refer to MODULE COMMUNICATIONS NETWORK -- F-250-550 (SUPER DUTY PICKUPS) . | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | Refer to MODULE COMMUNICATIONS NETWORK -- F-250-550 (SUPER DUTY PICKUPS) to diagnose the communication network. | |||