: Using DM1 data via telematics to catch failures before they cause a breakdown.
SAE J1939-73 provides the messages and procedures necessary for a technician or an automated system to "talk" to a vehicle's electronic control units (ECUs). It goes beyond simple data reading to enable: sae j193973 pdf exclusive
: Recent revisions added specific FMIs like FMI 20 (Data Drifted High) and FMI 21 (Data Drifted Low). Resources for Implementation : Using DM1 data via telematics to catch