Dakota 2WD V8-4.7L VIN J (2005)
on the bus are ready for sleep, it broadcasts a "bus sleep acknowledgment" message that causes the network to sleep. Once the CAN-B bus network is
asleep, any node on the bus can awaken it by transmitting a message on the network. The FCM will keep either the CAN-B or the CAN-C bus awake for
a timed interval after it receives a diagnostic message for that bus over the Diagnostic CAN-C bus.
