A configurable intelligent telematic system comprising: a vehicular telemetry hardware system, said vehicular telemetry hardware system including a first microprocessor and first memory capable of data logging and telecommunications, a first messaging interface connected to the first microprocessor for connecting to a first bus, and an interface for connecting to a second bus, the configurable intelligent telematic system further comprising at least one configurable intelligent telematic I/O expander, characterized in that said at least one configurable intelligent telematic I/O expander including a second messaging interface for connecting to the first bus, a configurable multi-device interface for connecting to a specific device, a second microprocessor and second memory capable of sensing said configurable multi-device interface for self-configuring said at least one I/O expander into one of a passive mode or an active mode, wherein when said at least one configurable intelligent telematic I/O expander is in a passive mode, said second microprocessor and second memory capable of permitting data exchange between said second messaging interface and said configurable multi-device interface, and when said at least one configurable intelligent telematic I/O expander is in an active mode, said second microprocessor and second memory capable of monitoring said configurable multi-device interface and capable of sending messages to said second messaging interface upon detecting an event, and wherein the first bus permits messages to be sent and received between the vehicular telemetry hardware system and said at least one configurable intelligent telematic I/O expander. a vehicular telemetry hardware system, said vehicular telemetry hardware system including a first microprocessor and first memory capable of data logging and telecommunications, a first messaging interface connected to the first microprocessor for connecting to a first bus, and an interface for connecting to a second bus, the configurable intelligent telematic system further comprising at least one configurable intelligent telematic I/O expander, characterized in that said at least one configurable intelligent telematic I/O expander including a second messaging interface for connecting to the first bus, a configurable multi-device interface for connecting to a specific device, a second microprocessor and second memory capable of sensing said configurable multi-device interface for self-configuring said at least one I/O expander into one of a passive mode or an active mode, wherein when said at least one configurable intelligent telematic I/O expander is in a passive mode, said second microprocessor and second memory capable of permitting data exchange between said second messaging interface and said configurable multi-device interface, and when said at least one configurable intelligent telematic I/O expander is in an active mode, said second microprocessor and second memory capable of monitoring said configurable multi-device interface and capable of sending messages to said second messaging interface upon detecting an event, and wherein the first bus permits messages to be sent and received between the vehicular telemetry hardware system and said at least one configurable intelligent telematic I/O expander.