What is fault code ecu128 Sid 370 fmi 00 on a freightliner with an mbe906 engine?

Fault code ECU 128, SID 370, FMI 00 on a Freightliner with an MBE906 engine typically indicates a communication issue between the engine control module (ECM) and other vehicle systems. This can be due to a variety of factors, such as wiring problems, faulty connectors, or issues with the ECM itself. To resolve this, it is advisable to inspect wiring and connections, check for any additional fault codes, and potentially reprogram or replace the ECM if necessary. Always refer to the manufacturer’s diagnostic guidelines for accurate troubleshooting.