Medium and Heavy Trucks
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Hi my name is***** will be glad to try to help ECU 128 is engine ECU and not the fault code. Also the ECU 140 is a roll call message from that ECU in the instrument cluster. Scroll to the next screen with the mode/reset button to get to the full fault code numbers and let me know what you have. What engine make and model is in this truck?
No worries. Glad you got this resolved. I will get this closed out for you.